naylavianey16 naylavianey16

06-01-2018
Mathematics

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Solve for x in the equation x2+4x-4=8

Respuesta :

06-01-2018

2. 2•2+2•4-4=8. First add 4 to 8 then you have 2x+4x=12. Then divide by 6 and you get 2.

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jorel1380 jorel1380

06-01-2018

x²+4x-4-8=0
x²+4x-12=0
(x+6)(x-2)=0
x=-6 or 2
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