(x^2-9)(x^2-16)=15x

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Solution for (x^2-9)(x^2-16)=15x equation: 


Simplifying
(x2 + -9)(x2 + -16) = 15x

Reorder the terms:
(-9 + x2)(x2 + -16) = 15x

Reorder the terms:
(-9 + x2)(-16 + x2) = 15x

Multiply (-9 + x2) * (-16 + x2)
(-9(-16 + x2) + x2(-16 + x2)) = 15x
((-16 * -9 + x2 * -9) + x2(-16 + x2)) = 15x
((144 + -9x2) + x2(-16 + x2)) = 15x
(144 + -9x2 + (-16 * x2 + x2 * x2)) = 15x
(144 + -9x2 + (-16x2 + x4)) = 15x

Combine like terms: -9x2 + -16x2 = -25x2
(144 + -25x2 + x4) = 15x

Solving
144 + -25x2 + x4 = 15x

Solving for variable 'x'.

Reorder the terms:
144 + -15x + -25x2 + x4 = 15x + -15x

Combine like terms: 15x + -15x = 0
144 + -15x + -25x2 + x4 = 0

The solution to this equation could not be determined.

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