f(x)x^2-9=9

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Solution for f(x)x^2-9=9 equation:


Simplifying
f(x) * x2 + -9 = 9

Multiply f * x
fx * x2 + -9 = 9

Multiply fx * x2
fx3 + -9 = 9

Reorder the terms:
-9 + fx3 = 9

Solving
-9 + fx3 = 9

Solving for variable 'f'.

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

Add '9' to each side of the equation.
-9 + 9 + fx3 = 9 + 9

Combine like terms: -9 + 9 = 0
0 + fx3 = 9 + 9
fx3 = 9 + 9

Combine like terms: 9 + 9 = 18
fx3 = 18

Divide each side by 'x3'.
f = 18x-3

Simplifying
f = 18x-3

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