Question

Solve the equation x2+4xl -4 =0.

Answer 1

Answer:

x=2,-2

Step-by-step explanation:

x^2+4x-4=0

x^2+2x+2x-4=0

x(x+2)-2(x+2)=0

x+2=0,x-2=0

x=-2,x=2

x=2,-2

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Answer 2

Answer is x= -2,2

Step-by-step explanation:

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