x*x+2x-1=y

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Solution for x*x+2x-1=y equation: 


Simplifying
x * x + 2x + -1 = y

Multiply x * x
x2 + 2x + -1 = y

Reorder the terms:
-1 + 2x + x2 = y

Solving
-1 + 2x + x2 = y

Solving for variable 'x'.

Combine like terms: y + -1y = 0
-1 + 2x + x2 + -1y = 0

The solution to this equation could not be determined.

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