f(x)=4x^2-9x+4

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Solution for f(x)=4x^2-9x+4 equation: 


Simplifying
f(x) = 4x2 + -9x + 4

Multiply f * x
fx = 4x2 + -9x + 4

Reorder the terms:
fx = 4 + -9x + 4x2

Solving
fx = 4 + -9x + 4x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 4x-1 + -9 + 4x

Simplifying
f = 4x-1 + -9 + 4x

Reorder the terms:
f = -9 + 4x-1 + 4x

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