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Chapter 7: Q 51. (page 819)

Factor by grouping.

p2+4p鈭�9p鈭�36

Short Answer

Expert verified

The required answer isp+4p-9.

Step by step solution

01

Step 1. Given information. 

The given expression isp2+4p-9p-36.

02

Step 2.  Simplify the expression. 

p2+4p-9p-36=p2-5p-36=p2+4p+-9p-36=pp+4-9p+4

Factor out common term.

p+4p-9

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Most popular questions from this chapter

Factor:14x+14

In the following exercises, solve.

2x(6x-3)=0

Find the Greatest Common Factor from a polynomial

15m4+6m2n

Watermelon drop A springtime tradition at the University of California San Diego is the Watermelon Drop, where a watermelon is dropped from the seventh story of Urey Hall.

(a) The binomial -16t2+80 gives the height of the watermelon t seconds after it is dropped. Factor the greatest common factor from this binomial.

(b) If the watermelon is thrown down with initial velocity 8 feet per second, its height after t seconds is given by the trinomial-16t2-8t+80.Completely factor this trinomial.

In the following exercises, factors completely:

8m2+22m+5.
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