f(2a)=3x^2-2

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Solution for f(2a)=3x^2-2 equation: 


Simplifying
f(2a) = 3x2 + -2

Remove parenthesis around (2a)
f * 2a = 3x2 + -2

Reorder the terms for easier multiplication:
2f * a = 3x2 + -2

Multiply f * a
2af = 3x2 + -2

Reorder the terms:
2af = -2 + 3x2

Solving
2af = -2 + 3x2

Solving for variable 'a'.

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

Divide each side by '2f'.
a = -1f-1 + 1.5f-1x2

Simplifying
a = -1f-1 + 1.5f-1x2

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