tgbsoccer
tgbsoccer
23-08-2017
Mathematics
contestada
Factor of x squared+4x-45
Respuesta :
choixongdong
choixongdong
23-08-2017
x^2 + 4x -45
-45 = 9 * (-5)
4 = 9 + (-5)
so
x^2 + 4x - 45 = (x + 9)(x - 5)
answer
(x + 9)(x - 5)
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