syd161616 syd161616

31-10-2019
Mathematics

contestada

Solve for x in the equation x2 + 4x-4-8-
O x= -6 or x = 2
O x=-2+2-15
O x = -2 or x = 6
O x-2+2-13

Respuesta :

ujalakhan18 ujalakhan18

31-10-2019

Answer:

A

Step-by-step explanation:

x2+4x-4-8

x2+4x-12

x2+6x-2x-12

x(x+6)-2(x+6)

(x-2)(x+6)

Either

x-2=0 OR x+6=0

x=2 OR x=-6

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