f(x)=-9x^2+5x+4

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Solution for f(x)=-9x^2+5x+4 equation: 


Simplifying
f(x) = -9x2 + 5x + 4

Multiply f * x
fx = -9x2 + 5x + 4

Reorder the terms:
fx = 4 + 5x + -9x2

Solving
fx = 4 + 5x + -9x2

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 + 5 + -9x

Simplifying
f = 4x-1 + 5 + -9x

Reorder the terms:
f = 5 + 4x-1 + -9x

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