350=x(15-2x)(21-2x)

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Solution for 350=x(15-2x)(21-2x) equation: 


Simplifying
350 = x(15 + -2x)(21 + -2x)

Multiply (15 + -2x) * (21 + -2x)
350 = x(15(21 + -2x) + -2x * (21 + -2x))
350 = x((21 * 15 + -2x * 15) + -2x * (21 + -2x))
350 = x((315 + -30x) + -2x * (21 + -2x))
350 = x(315 + -30x + (21 * -2x + -2x * -2x))
350 = x(315 + -30x + (-42x + 4x2))

Combine like terms: -30x + -42x = -72x
350 = x(315 + -72x + 4x2)
350 = (315 * x + -72x * x + 4x2 * x)
350 = (315x + -72x2 + 4x3)

Solving
350 = 315x + -72x2 + 4x3

Solving for variable 'x'.

Reorder the terms:
350 + -315x + 72x2 + -4x3 = 315x + -315x + -72x2 + 72x2 + 4x3 + -4x3

Combine like terms: 315x + -315x = 0
350 + -315x + 72x2 + -4x3 = 0 + -72x2 + 72x2 + 4x3 + -4x3
350 + -315x + 72x2 + -4x3 = -72x2 + 72x2 + 4x3 + -4x3

Combine like terms: -72x2 + 72x2 = 0
350 + -315x + 72x2 + -4x3 = 0 + 4x3 + -4x3
350 + -315x + 72x2 + -4x3 = 4x3 + -4x3

Combine like terms: 4x3 + -4x3 = 0
350 + -315x + 72x2 + -4x3 = 0

The solution to this equation could not be determined.

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