(x-5)(x^2+3x-18)=0

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Solution for (x-5)(x^2+3x-18)=0 equation: 


Simplifying
(x + -5)(x2 + 3x + -18) = 0

Reorder the terms:
(-5 + x)(x2 + 3x + -18) = 0

Reorder the terms:
(-5 + x)(-18 + 3x + x2) = 0

Multiply (-5 + x) * (-18 + 3x + x2)
(-5(-18 + 3x + x2) + x(-18 + 3x + x2)) = 0
((-18 * -5 + 3x * -5 + x2 * -5) + x(-18 + 3x + x2)) = 0
((90 + -15x + -5x2) + x(-18 + 3x + x2)) = 0
(90 + -15x + -5x2 + (-18 * x + 3x * x + x2 * x)) = 0
(90 + -15x + -5x2 + (-18x + 3x2 + x3)) = 0

Reorder the terms:
(90 + -15x + -18x + -5x2 + 3x2 + x3) = 0

Combine like terms: -15x + -18x = -33x
(90 + -33x + -5x2 + 3x2 + x3) = 0

Combine like terms: -5x2 + 3x2 = -2x2
(90 + -33x + -2x2 + x3) = 0

Solving
90 + -33x + -2x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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