Y=-x^2-18x-78

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Solution for Y=-x^2-18x-78 equation: 


Simplifying
Y = -1x2 + -18x + -78

Reorder the terms:
Y = -78 + -18x + -1x2

Solving
Y = -78 + -18x + -1x2

Solving for variable 'Y'.

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

Simplifying
Y = -78 + -18x + -1x2

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