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Which expression is a factor of   x^2 +2x-15

 

a. (x+3)

 

b. (x+15)

 

c. (x-5)

 

d. (x-3)

 Sep 5, 2018
 #1
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To factor, we need to find 2 numbers that add to 2 and multiply to -15.
5 seems like it could fit with -3 to match the requirements.
Ima go wtih d here.

 Sep 5, 2018

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