mf0datazz mf0datazz

03-02-2017
Mathematics

contestada

Solve the equation, x^2 + 3x - 54 = 0.

A. x = 6 or x = -9

B. x = -1/3 or x = -2

C. x = -1/3 or x = 50

D. x = -1 or x = -9

Respuesta :

texaschic101 texaschic101

03-02-2017

x^2 + 3x - 54 = 0
(x + 9)(x - 6) = 0

x + 9 = 0
x = -9

x - 6 = 0
x = 6

answer is A. x = 6 or x = -9

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