anari98 anari98

13-04-2020
Mathematics

contestada

Solve the equation by factoring: x^2 + 5x – 36 = 0
Answer choices:
A. x = 4, – 9
B.x = 1, -36
C. x=9, – 4
D.x=36, -1

Respuesta :

freeshavocadoes freeshavocadoes

13-04-2020

x = 4, -9

x^2+5x-36=0
1x +5x-36=0
1x (-1x) + 5x (- -1x) -36 = 0
4x - 36 = 0
4 x - 36( - - 36) = 0
4x = -36
4x/4 = -36/4
x= -9

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