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07-08-2017
Mathematics

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Factor the trinomial below.

x^2-2x-15

A. (x-5)(x+3)
B. (x-5)(x-3)
C. (x+5)(x-3)
D. (x+5)(x+3)

Respuesta :

kphung76127 kphung76127

07-08-2017

(x-5)(x+3)

Proof:
-5+3=-2
-5*3=-15

Foiling:
x^2+3x-5x-15
x^2-2x-15

Answer Link

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