y=x*(-x)+7

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Solution for y=x*(-x)+7 equation: 


Simplifying
y = x(-1x) + 7

Remove parenthesis around (-1x)
y = x * -1x + 7

Reorder the terms for easier multiplication:
y = -1x * x + 7

Multiply x * x
y = -1x2 + 7

Reorder the terms:
y = 7 + -1x2

Solving
y = 7 + -1x2

Solving for variable 'y'.

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

Simplifying
y = 7 + -1x2

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