SOLUTION: 2x(x+5)-7=5

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Question 679120: 2x(x+5)-7=5
Answer by pmatei(79) About Me  (Show Source):
You can put this solution on YOUR website!
Distribute 2x:
2x%5E2+%2B+10x+-7+=+5
Subtract 5 from both sides:
2x%5E2+%2B+10x+-12+=+0
Divide everything by 2:
x%5E2+%2B+5x+-+6+=+0
Factor the quadratic into 2 parentheses:
%28x%2B6%29%28x-1%29+=+0
Set each parenthesis equal to zero:
x%2B6=0 and x-1=0
You get solutions:
x=-6 and x=1