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Chapter 7: Q. 7.34 (page 660)

Add:

4m+3+3m+4

Short Answer

Expert verified

The required sum is7m+25m+3m+4.

Step by step solution

01

Step 1. Given Information

The given expression is4m+3+3m+4

02

Step 2. Write both the Rational Expressions with LCD 

  • The denominators of rational expression are not the same. So, find the LCD.
  • The LCD for the given rational expressions is m+3m+4.
  • Write the expressions with the LCD as denominators.

4m+3=4m+16m+3m+43m+4=3m+9m+3m+4

03

Step 3. Add the obtained expressions 

  • Add the expressions with LCD.

4m+16m+3m+4+3m+9m+3m+4=4m+16+3m+9m+3m+4=7m+25m+3m+4

  • So, the required sum is7m+25m+3m+4

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Most popular questions from this chapter

In the following exercise, find

(a) R(x)=f(x)+g(x)

(b) R(x)=f(x)-g(x):

role="math" localid="1644749808906" f(x)=5x+7g(x)=10xx2-49

Simplify the complex rational expression by using the LCD:

3x+25x-2-3x2-4

In the following exercises, multiply the rational expressions.

28-4b3b-3.b2+8b-9b2-49

Determine the values for which the rational expression is undefined.

b-7b2-25.

The distance a moving body travels, d, varies directly with the time, t, it moves. The train travels 100 miles in 2 hours.

  1. Write the equation that relates dandt.
  2. How many miles would it travel in 5 hours?
See all solutions

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