SOLUTION: 2x^2+4x=16

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Question 632199: 2x^2+4x=16
Found 2 solutions by Tatiana_Stebko, graphmatics:
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2%2B4x=16 divide by 2
x%5E2%2B2x=8
%28x%2B1%29%5E2-1=8
%28x%2B1%29%5E2=9
x%2B1=3 or x%2B1=-3
x=2 or x=-4

Answer by graphmatics(170) About Me  (Show Source):
You can put this solution on YOUR website!
2x^2+4x=16. 2x^2+4x-16=0. 2(x^2+2x-8)=0. 2(x-2)(x+4)=0. X-2=0. X+4=0. X=2. X=-4