f(9z)=2x^2-7

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Solution for f(9z)=2x^2-7 equation: 


Simplifying
f(9z) = 2x2 + -7

Remove parenthesis around (9z)
f * 9z = 2x2 + -7

Reorder the terms for easier multiplication:
9f * z = 2x2 + -7

Multiply f * z
9fz = 2x2 + -7

Reorder the terms:
9fz = -7 + 2x2

Solving
9fz = -7 + 2x2

Solving for variable 'f'.

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

Divide each side by '9z'.
f = -0.7777777778z-1 + 0.2222222222x2z-1

Simplifying
f = -0.7777777778z-1 + 0.2222222222x2z-1

Reorder the terms:
f = 0.2222222222x2z-1 + -0.7777777778z-1

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