Q 97. Factor Trinomials of the Form ax... [FREE SOLUTION]

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Intermediate Algebra

OPENSTAX

$Math Studyset 91影视 Explanations$ Math

OER 2017 Edition 路 1346 pages

ISBN: 9780998625720

Chapter 6: Q 97. (page 589)

Factor Trinomials of the Form $a x^{2} + b x + c$ Using Trial and Error.
role="math" localid="1644572552533" $11 x^{2} + 34 x + 3$

Short Answer

Expert verified

The solution is $(x + 3) (11 x + 1)$ .

Step by step solution

Step 1. Given information

Consider the trinomial.

$11 x^{2} + 34 x + 3$

Step 2. Write the trinomial in descending order and then find greatest common factor.

The trinomial $11 x^{2} + 34 x + 3$ is given in descending order.

There is no greatest common factor.

Step 3. Find the factors of the first term and the last term.

The first term of the given trinomial is $11 x^{2}$ .

So, the factors of $11 x^{2}$ are as follows:

$11 x^{2} = x 路 11 x$

The last term of the given trinomial is $3$ .

Since all the terms in the given polynomial is positive, all the factors of the last term will be positive.

The only factors of $3$ are as follows:

$3 = 1 路 3$

Step 4. Make a table for all the combination of factors of 11x2+34x+3.

Possible factors	Product
$(x + 1) (11 x + 3)$	$11 x^{2} + 14 x + 3$
localid="1644574514914" $(x + 3) (11 x + 1)$	$11 x^{2} + 34 x + 3$

From the table, conclude that the combination $(x + 3) (11 x + 1)$ is correct.

Step 5. Check by multiplying (x+3)(11x+1).

$\begin{array}{rcl} (x + 3) (11 x + 1) & = & 11 x^{2} + x + 33 x + 3 \\ = & 11 x^{2} + 34 x + 3 \end{array}$

Hence, the factor is $(x + 3) (11 x + 1)$ .

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91影视

Factor Trinomials of the Form $a x^{2} + b x + c$ Using Trial and Error.
role="math" localid="1644572552533" $11 x^{2} + 34 x + 3$

Short Answer

Step by step solution

Step 1. Given information

Step 2. Write the trinomial in descending order and then find greatest common factor.

Step 3. Find the factors of the first term and the last term.

Step 4. Make a table for all the combination of factors of 11x2+34x+3.

Step 5. Check by multiplying (x+3)(11x+1).

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91影视

Factor Trinomials of the Form ax2+bx+cUsing Trial and Error.role="math" localid="1644572552533" 11x2+34x+3

Short Answer

Step by step solution

Step 1. Given information

Step 2. Write the trinomial in descending order and then find greatest common factor.

Step 3. Find the factors of the first term and the last term.

Step 4. Make a table for all the combination of factors of 11x2+34x+3.

Step 5. Check by multiplying (x+3)(11x+1).

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Geometry

Discrete Mathematics

Theoretical and Mathematical Physics

Applied Mathematics

Statistics

Logic and Functions

Study anywhere. Anytime. Across all devices.

Factor Trinomials of the Form $a x^{2} + b x + c$ Using Trial and Error.
role="math" localid="1644572552533" $11 x^{2} + 34 x + 3$