x(8-2x)(7-2x)x=15

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Solution for x(8-2x)(7-2x)x=15 equation: 


Simplifying
x(8 + -2x)(7 + -2x) * x = 15

Reorder the terms for easier multiplication:
x * x(8 + -2x)(7 + -2x) = 15

Multiply x * x
x2(8 + -2x)(7 + -2x) = 15

Multiply (8 + -2x) * (7 + -2x)
x2(8(7 + -2x) + -2x * (7 + -2x)) = 15
x2((7 * 8 + -2x * 8) + -2x * (7 + -2x)) = 15
x2((56 + -16x) + -2x * (7 + -2x)) = 15
x2(56 + -16x + (7 * -2x + -2x * -2x)) = 15
x2(56 + -16x + (-14x + 4x2)) = 15

Combine like terms: -16x + -14x = -30x
x2(56 + -30x + 4x2) = 15
(56 * x2 + -30x * x2 + 4x2 * x2) = 15
(56x2 + -30x3 + 4x4) = 15

Solving
56x2 + -30x3 + 4x4 = 15

Solving for variable 'x'.

Reorder the terms:
-15 + 56x2 + -30x3 + 4x4 = 15 + -15

Combine like terms: 15 + -15 = 0
-15 + 56x2 + -30x3 + 4x4 = 0

The solution to this equation could not be determined.

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