56=x(15-2x)(9-2x)

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Solution for 56=x(15-2x)(9-2x) equation: 


Simplifying
56 = x(15 + -2x)(9 + -2x)

Multiply (15 + -2x) * (9 + -2x)
56 = x(15(9 + -2x) + -2x * (9 + -2x))
56 = x((9 * 15 + -2x * 15) + -2x * (9 + -2x))
56 = x((135 + -30x) + -2x * (9 + -2x))
56 = x(135 + -30x + (9 * -2x + -2x * -2x))
56 = x(135 + -30x + (-18x + 4x2))

Combine like terms: -30x + -18x = -48x
56 = x(135 + -48x + 4x2)
56 = (135 * x + -48x * x + 4x2 * x)
56 = (135x + -48x2 + 4x3)

Solving
56 = 135x + -48x2 + 4x3

Solving for variable 'x'.

Reorder the terms:
56 + -135x + 48x2 + -4x3 = 135x + -135x + -48x2 + 48x2 + 4x3 + -4x3

Combine like terms: 135x + -135x = 0
56 + -135x + 48x2 + -4x3 = 0 + -48x2 + 48x2 + 4x3 + -4x3
56 + -135x + 48x2 + -4x3 = -48x2 + 48x2 + 4x3 + -4x3

Combine like terms: -48x2 + 48x2 = 0
56 + -135x + 48x2 + -4x3 = 0 + 4x3 + -4x3
56 + -135x + 48x2 + -4x3 = 4x3 + -4x3

Combine like terms: 4x3 + -4x3 = 0
56 + -135x + 48x2 + -4x3 = 0

The solution to this equation could not be determined.

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