marlisamoore
marlisamoore marlisamoore
  • 22-08-2017
  • Mathematics
contestada

help factoring trinomial

help factoring trinomial class=

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musiclover10045
musiclover10045 musiclover10045
  • 22-08-2017

need 2 numbers when added = 5 and when multiplied = -24

answer is D

-3+8 = 5

-3*8 = -24

Answer Link
choixongdong
choixongdong choixongdong
  • 22-08-2017
x^2 + 5x - 24
-24 = (+8) * (-3)
8 - 3 = 5

so
x^2 + 5x - 24 = (x + 8)(x - 3)
answer is
D.(x - 3)(x + 8)
Answer Link

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