SOLUTION: 2x^2 + x - 1

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Question 401978: 2x^2 + x - 1
Answer by sofiyac(983) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2+%2B+x+-+1=0 you didn't write the question, so i'm assuming you need to solve for x
%282x-1%29%28x%2B1%29=0
2x-1=0
2x=1
x=1/2
x+1=0
x=-1