f=(x^3-6x)(9x^4+2x^2-12)

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Solution for f=(x^3-6x)(9x^4+2x^2-12) equation: 


Simplifying
f = (x3 + -6x)(9x4 + 2x2 + -12)

Reorder the terms:
f = (-6x + x3)(9x4 + 2x2 + -12)

Reorder the terms:
f = (-6x + x3)(-12 + 2x2 + 9x4)

Multiply (-6x + x3) * (-12 + 2x2 + 9x4)
f = (-6x * (-12 + 2x2 + 9x4) + x3(-12 + 2x2 + 9x4))
f = ((-12 * -6x + 2x2 * -6x + 9x4 * -6x) + x3(-12 + 2x2 + 9x4))
f = ((72x + -12x3 + -54x5) + x3(-12 + 2x2 + 9x4))
f = (72x + -12x3 + -54x5 + (-12 * x3 + 2x2 * x3 + 9x4 * x3))
f = (72x + -12x3 + -54x5 + (-12x3 + 2x5 + 9x7))

Reorder the terms:
f = (72x + -12x3 + -12x3 + -54x5 + 2x5 + 9x7)

Combine like terms: -12x3 + -12x3 = -24x3
f = (72x + -24x3 + -54x5 + 2x5 + 9x7)

Combine like terms: -54x5 + 2x5 = -52x5
f = (72x + -24x3 + -52x5 + 9x7)

Solving
f = 72x + -24x3 + -52x5 + 9x7

Solving for variable 'f'.

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

Simplifying
f = 72x + -24x3 + -52x5 + 9x7

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