y=x*x-1

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Solution for y=x*x-1 equation: 


Simplifying
y = x * x + -1

Multiply x * x
y = x2 + -1

Reorder the terms:
y = -1 + x2

Solving
y = -1 + x2

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Simplifying
y = -1 + x2

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