f(x)=(5x^3+5)(2x^7-6)

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Solution for f(x)=(5x^3+5)(2x^7-6) equation:


Simplifying
f(x) = (5x3 + 5)(2x7 + -6)

Multiply f * x
fx = (5x3 + 5)(2x7 + -6)

Reorder the terms:
fx = (5 + 5x3)(2x7 + -6)

Reorder the terms:
fx = (5 + 5x3)(-6 + 2x7)

Multiply (5 + 5x3) * (-6 + 2x7)
fx = (5(-6 + 2x7) + 5x3 * (-6 + 2x7))
fx = ((-6 * 5 + 2x7 * 5) + 5x3 * (-6 + 2x7))
fx = ((-30 + 10x7) + 5x3 * (-6 + 2x7))
fx = (-30 + 10x7 + (-6 * 5x3 + 2x7 * 5x3))
fx = (-30 + 10x7 + (-30x3 + 10x10))

Reorder the terms:
fx = (-30 + -30x3 + 10x7 + 10x10)
fx = (-30 + -30x3 + 10x7 + 10x10)

Solving
fx = -30 + -30x3 + 10x7 + 10x10

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -30x-1 + -30x2 + 10x6 + 10x9

Simplifying
f = -30x-1 + -30x2 + 10x6 + 10x9

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