SOLUTION: 7x^2+2x-1=0 solve it by completing square.

SOLUTION: 7x^2+2x-1=0 solve it by completing square.

Algebra.Com

Question 810403: 7x^2+2x-1=0
solve it by completing square.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

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