(x+4)(x-4)(x-9)=

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Solution for (x+4)(x-4)(x-9)= equation: 


Simplifying
(x + 4)(x + -4)(x + -9) = 0

Reorder the terms:
(4 + x)(x + -4)(x + -9) = 0

Reorder the terms:
(4 + x)(-4 + x)(x + -9) = 0

Reorder the terms:
(4 + x)(-4 + x)(-9 + x) = 0

Multiply (4 + x) * (-4 + x)
(4(-4 + x) + x(-4 + x))(-9 + x) = 0
((-4 * 4 + x * 4) + x(-4 + x))(-9 + x) = 0
((-16 + 4x) + x(-4 + x))(-9 + x) = 0
(-16 + 4x + (-4 * x + x * x))(-9 + x) = 0
(-16 + 4x + (-4x + x2))(-9 + x) = 0

Combine like terms: 4x + -4x = 0
(-16 + 0 + x2)(-9 + x) = 0
(-16 + x2)(-9 + x) = 0

Multiply (-16 + x2) * (-9 + x)
(-16(-9 + x) + x2(-9 + x)) = 0
((-9 * -16 + x * -16) + x2(-9 + x)) = 0
((144 + -16x) + x2(-9 + x)) = 0
(144 + -16x + (-9 * x2 + x * x2)) = 0
(144 + -16x + (-9x2 + x3)) = 0
(144 + -16x + -9x2 + x3) = 0

Solving
144 + -16x + -9x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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