marlisamoore marlisamoore

22-08-2017
Mathematics

contestada

can someone help with factoring trinomial

can someone help with factoring trinomial class=

Respuesta :

musiclover10045 musiclover10045

22-08-2017

need 2 numbers that when added = -2 and when multiplied = -35

5 +-7 = -2

5 x -7 = -35

answer is D

Answer Link

choixongdong choixongdong

22-08-2017

x^2 - 2x - 35

-35 = (-7) * 5
-2 = -7 + 5

so
x^2 - 2x - 35 = (x - 7)(x +5)

answer D. (x +5)(x - 7)

Answer Link

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