f(30)=x^2+x-12

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Solution for f(30)=x^2+x-12 equation: 


Simplifying
f(30) = x2 + x + -12

Reorder the terms for easier multiplication:
30f = x2 + x + -12

Reorder the terms:
30f = -12 + x + x2

Solving
30f = -12 + x + x2

Solving for variable 'f'.

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

Divide each side by '30'.
f = -0.4 + 0.03333333333x + 0.03333333333x2

Simplifying
f = -0.4 + 0.03333333333x + 0.03333333333x2

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