(x+4)(x+5)(x-8)=0

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Solution for (x+4)(x+5)(x-8)=0 equation: 


Simplifying
(x + 4)(x + 5)(x + -8) = 0

Reorder the terms:
(4 + x)(x + 5)(x + -8) = 0

Reorder the terms:
(4 + x)(5 + x)(x + -8) = 0

Reorder the terms:
(4 + x)(5 + x)(-8 + x) = 0

Multiply (4 + x) * (5 + x)
(4(5 + x) + x(5 + x))(-8 + x) = 0
((5 * 4 + x * 4) + x(5 + x))(-8 + x) = 0
((20 + 4x) + x(5 + x))(-8 + x) = 0
(20 + 4x + (5 * x + x * x))(-8 + x) = 0
(20 + 4x + (5x + x2))(-8 + x) = 0

Combine like terms: 4x + 5x = 9x
(20 + 9x + x2)(-8 + x) = 0

Multiply (20 + 9x + x2) * (-8 + x)
(20(-8 + x) + 9x * (-8 + x) + x2(-8 + x)) = 0
((-8 * 20 + x * 20) + 9x * (-8 + x) + x2(-8 + x)) = 0
((-160 + 20x) + 9x * (-8 + x) + x2(-8 + x)) = 0
(-160 + 20x + (-8 * 9x + x * 9x) + x2(-8 + x)) = 0
(-160 + 20x + (-72x + 9x2) + x2(-8 + x)) = 0
(-160 + 20x + -72x + 9x2 + (-8 * x2 + x * x2)) = 0
(-160 + 20x + -72x + 9x2 + (-8x2 + x3)) = 0

Combine like terms: 20x + -72x = -52x
(-160 + -52x + 9x2 + -8x2 + x3) = 0

Combine like terms: 9x2 + -8x2 = 1x2
(-160 + -52x + 1x2 + x3) = 0

Solving
-160 + -52x + 1x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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