g(-2)=-x^2-4x+21

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Solution for g(-2)=-x^2-4x+21 equation: 


Simplifying
g(-2) = -1x2 + -4x + 21

Reorder the terms for easier multiplication:
-2g = -1x2 + -4x + 21

Reorder the terms:
-2g = 21 + -4x + -1x2

Solving
-2g = 21 + -4x + -1x2

Solving for variable 'g'.

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

Divide each side by '-2'.
g = -10.5 + 2x + 0.5x2

Simplifying
g = -10.5 + 2x + 0.5x2

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