drea39
drea39
27-04-2017
Mathematics
contestada
What is the solution of the question 2(x+2)^2-4=28
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ZainAwais
ZainAwais
27-04-2017
2((x+2)(x+2)}-4=28
2{x^2 + 4x + 4}-4=28
2x^2 +4x=28
2(x^2+2x)=28
x^2+2x=28/2
x^2+2x=14
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