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Chapter 7: Q138E. (page 668)

In the following exercise, perform the indicated operation:

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

Short Answer

Expert verified

4b+12b+5

Step by step solution

01

Step 1. Given information.

The following expression is given:

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

02

Step 2. Performing the given operation.

Factorise the denominator:

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

Find out the LCD of the denominators:

2bb-5

Rewrite the expression with denominators equal to the LCD:

2b.2b2bb-5+3b-52bb-5-2b-152bb-5

Simplify:

4b2+3b-15-2b+152bb-54b2+b2bb-5b4b+12bb-5

Cancel the common factors from the numerator and the denominator:

(4b+1)2(b-5)

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Most popular questions from this chapter

Xander鈥檚 new business found that the daily demand for its product was inversely proportional to the pricep. When the price is \(5, the demand is 700 units.

  1. Write the equation of variation.
  2. What is the demand if the price is raised to \)7?

Simplify the rational expression12p-2405p-100.

In the following exercises, divide the rational expressions.

x2+3x-104x梅2x2+20x+50

Determine the values for which the rational expression is undefined.

x-3x2-x-30

Multiply58.415
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