f(x)=(x^7-4x^6)*(x+3)*(x-2)

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Solution for f(x)=(x^7-4x^6)*(x+3)*(x-2) equation:


Simplifying
f(x) = (x7 + -4x6)(x + 3)(x + -2)

Multiply f * x
fx = (x7 + -4x6)(x + 3)(x + -2)

Reorder the terms:
fx = (-4x6 + x7)(x + 3)(x + -2)

Reorder the terms:
fx = (-4x6 + x7)(3 + x)(x + -2)

Reorder the terms:
fx = (-4x6 + x7)(3 + x)(-2 + x)

Multiply (-4x6 + x7) * (3 + x)
fx = (-4x6 * (3 + x) + x7(3 + x))(-2 + x)
fx = ((3 * -4x6 + x * -4x6) + x7(3 + x))(-2 + x)
fx = ((-12x6 + -4x7) + x7(3 + x))(-2 + x)
fx = (-12x6 + -4x7 + (3 * x7 + x * x7))(-2 + x)
fx = (-12x6 + -4x7 + (3x7 + x8))(-2 + x)

Combine like terms: -4x7 + 3x7 = -1x7
fx = (-12x6 + -1x7 + x8)(-2 + x)

Multiply (-12x6 + -1x7 + x8) * (-2 + x)
fx = (-12x6 * (-2 + x) + -1x7 * (-2 + x) + x8(-2 + x))
fx = ((-2 * -12x6 + x * -12x6) + -1x7 * (-2 + x) + x8(-2 + x))
fx = ((24x6 + -12x7) + -1x7 * (-2 + x) + x8(-2 + x))
fx = (24x6 + -12x7 + (-2 * -1x7 + x * -1x7) + x8(-2 + x))
fx = (24x6 + -12x7 + (2x7 + -1x8) + x8(-2 + x))
fx = (24x6 + -12x7 + 2x7 + -1x8 + (-2 * x8 + x * x8))
fx = (24x6 + -12x7 + 2x7 + -1x8 + (-2x8 + x9))

Combine like terms: -12x7 + 2x7 = -10x7
fx = (24x6 + -10x7 + -1x8 + -2x8 + x9)

Combine like terms: -1x8 + -2x8 = -3x8
fx = (24x6 + -10x7 + -3x8 + x9)

Solving
fx = 24x6 + -10x7 + -3x8 + x9

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 24x5 + -10x6 + -3x7 + x8

Simplifying
f = 24x5 + -10x6 + -3x7 + x8

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