f(x)=ax^4-8x^3+b

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Solution for f(x)=ax^4-8x^3+b equation: 


Simplifying
f(x) = ax4 + -8x3 + b

Multiply f * x
fx = ax4 + -8x3 + b

Reorder the terms:
fx = ax4 + b + -8x3

Solving
fx = ax4 + b + -8x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = ax3 + bx-1 + -8x2

Simplifying
f = ax3 + bx-1 + -8x2

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