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Chapter 7: Q. 51 (page 652)

In the following exercises, divide the rational expressions.

2a2-a-215a+20a2+7a+12a2+8a+16

Short Answer

Expert verified

Simplified expression is=2a-75.

Step by step solution

01

Step 1. Given Information

=2a2-a-215a+20梅a2+7a+12a2+8a+16

02

Step 2. Rewrite as product of first times reciprocalof second.

=2a2-a-215a+20.a2+8a+16a2+7a+12

03

Step 3. Factor the numerators and thedenominators, and then multiply.

=2a-7a+35(a+4).a+4a+4a+4a+3=2a-7a+3a+4a+45(a+4)a+4a+3

04

Step 4. Simplify by dividing out common factors.

=2a-75

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Most popular questions from this chapter

In the following exercise, perform the indicated operation:

2bb-5+32b-2b-152b2-10b

The number of calories, c, varies directly with the time, t, spent exercising. Arnold burned 312 calories in 65 minutes of exercising.

  1. Write the equation that relates candt.
  2. How many calories he would burn in 90 minutes.

Simplify1824.

Write the steps to find the solution to the given equation.

In the following exercises, divide the rational expressions.

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