(x-4)(x^2+8x+15)=0

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Solution for (x-4)(x^2+8x+15)=0 equation: 


Simplifying
(x + -4)(x2 + 8x + 15) = 0

Reorder the terms:
(-4 + x)(x2 + 8x + 15) = 0

Reorder the terms:
(-4 + x)(15 + 8x + x2) = 0

Multiply (-4 + x) * (15 + 8x + x2)
(-4(15 + 8x + x2) + x(15 + 8x + x2)) = 0
((15 * -4 + 8x * -4 + x2 * -4) + x(15 + 8x + x2)) = 0
((-60 + -32x + -4x2) + x(15 + 8x + x2)) = 0
(-60 + -32x + -4x2 + (15 * x + 8x * x + x2 * x)) = 0
(-60 + -32x + -4x2 + (15x + 8x2 + x3)) = 0

Reorder the terms:
(-60 + -32x + 15x + -4x2 + 8x2 + x3) = 0

Combine like terms: -32x + 15x = -17x
(-60 + -17x + -4x2 + 8x2 + x3) = 0

Combine like terms: -4x2 + 8x2 = 4x2
(-60 + -17x + 4x2 + x3) = 0

Solving
-60 + -17x + 4x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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