f(x)=4x^3+ax^2+7x-9

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Solution for f(x)=4x^3+ax^2+7x-9 equation: 


Simplifying
f(x) = 4x3 + ax2 + 7x + -9

Multiply f * x
fx = 4x3 + ax2 + 7x + -9

Reorder the terms:
fx = -9 + ax2 + 7x + 4x3

Solving
fx = -9 + ax2 + 7x + 4x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -9x-1 + ax + 7 + 4x2

Simplifying
f = -9x-1 + ax + 7 + 4x2

Reorder the terms:
f = 7 + ax + -9x-1 + 4x2

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