y=-x^2+9x+3

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Solution for y=-x^2+9x+3 equation: 


Simplifying
y = -1x2 + 9x + 3

Reorder the terms:
y = 3 + 9x + -1x2

Solving
y = 3 + 9x + -1x2

Solving for variable 'y'.

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

Simplifying
y = 3 + 9x + -1x2

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