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In each exercise, find the product. $$4 x^{3}\left(4 x^{2}-3 x+1\right)$$

Short Answer

Expert verified
The product of the given monomial and polynomial is \(16x^{5} - 12x^{4} + 4x^{3}\).

Step by step solution

01

Identify the monomial and the polynomial

In the given expression, \(4x^{3}\) is the monomial and \((4x^{2} - 3x + 1)\) is the polynomial.
02

Distribute the monomial over the polynomial

Multiplying the terms using the distributive property gives us: \(4x^{3} \cdot 4x^{2} - 4x^{3} \cdot 3x + 4x^{3} \cdot 1\).
03

Simplify the terms individually

Next, we multiply the coefficients and add the exponents in first term to get \(16x^{5}\), in the second term, multiply coefficients and add exponents to get \(12x^{4}\) and the third term simplifies to \(4x^{3}\).
04

Write out the final result

After simplifying all the terms, the final result of the multiplication is \(16x^{5} - 12x^{4} + 4x^{3}\).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Distributive Property
Understanding the distributive property is essential when multiplying polynomials, as it helps to break down complex expressions into simpler ones. Essentially, this property states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products. For instance, if we have a monomial, such as 4x鲁, and a polynomial, like (4x虏 - 3x + 1), the distributive property allows us to multiply the monomial with each term in the polynomial separately.

When applying this property in our exercise, we first distribute 4x鲁 across the polynomial:- Multiply 4x鲁 with 4x虏 to get 16x鈦- Then, multiply 4x鲁 with -3x to get -12x鈦- Finally, multiply 4x鲁 with 1 to obtain 4x鲁

By doing so, we have effectively distributed the multiplication across each term in the polynomial, ensuring that every term is multiplied by the monomial, which greatly simplifies the process of finding the product.
Monomials and Polynomials
Before diving into multiplication, it's crucial to recognize the difference between monomials and polynomials. A monomial is a single algebraic expression, such as 4x鲁, that consists of one term. It may contain coefficients, variables, and exponents, but it's importantly a standalone term. Conversely, a polynomial is an expression that has multiple terms鈥攚hich may also have coefficients, variables, and exponents鈥攃onnected by addition or subtraction, like (4x虏 - 3x + 1).

Combining Monomials and Polynomials

When we multiply a monomial with a polynomial, we're effectively using the monomial to scale each term in the polynomial independently. This operation can visually be compared to extending the branches of a tree outward from a single trunk (the monomial) to several new points (the terms of the polynomial). Understanding this relationship and how they expand through multiplication is foundational in algebra and helps with more complex algebraic manipulations.
Simplify Algebraic Expressions
Once we've distributed and multiplied the terms, the next step is to simplify the expression. This involves combining like terms (in this case, there aren't any) and writing the expression in a standardized form, usually from the highest degree to the lowest.

To simplify the terms, we follow two basic steps:
  • Multiply the coefficients: Numbers in front of the variables are multiplied together.
  • Add the exponents: When the same variable is multiplied by itself, we add the exponents according to the rules of exponents.
For example, multiplying 4x鲁 and 4x虏 involves multiplying 4 and 4 to get 16, and then adding the exponents of x (3 and 2) to end up with x鈦. This results in the simplified term 16x鈦. The process is the same for each term in the polynomial, eventually giving us a simplified expression of the product: 16x鈦 - 12x鈦 + 4x鲁, with no like terms to combine, and properly ordered by degree.

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