y=(x^2-7)

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Solution for y=(x^2-7) equation: 


Simplifying
y = (x2 + -7)

Reorder the terms:
y = (-7 + x2)

Remove parenthesis around (-7 + x2)
y = -7 + x2

Solving
y = -7 + x2

Solving for variable 'y'.

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

Simplifying
y = -7 + x2

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