(x-5)(x+1)(x^2-9)=85

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Solution for (x-5)(x+1)(x^2-9)=85 equation:


Simplifying
(x + -5)(x + 1)(x2 + -9) = 85

Reorder the terms:
(-5 + x)(x + 1)(x2 + -9) = 85

Reorder the terms:
(-5 + x)(1 + x)(x2 + -9) = 85

Reorder the terms:
(-5 + x)(1 + x)(-9 + x2) = 85

Multiply (-5 + x) * (1 + x)
(-5(1 + x) + x(1 + x))(-9 + x2) = 85
((1 * -5 + x * -5) + x(1 + x))(-9 + x2) = 85
((-5 + -5x) + x(1 + x))(-9 + x2) = 85
(-5 + -5x + (1 * x + x * x))(-9 + x2) = 85
(-5 + -5x + (1x + x2))(-9 + x2) = 85

Combine like terms: -5x + 1x = -4x
(-5 + -4x + x2)(-9 + x2) = 85

Multiply (-5 + -4x + x2) * (-9 + x2)
(-5(-9 + x2) + -4x * (-9 + x2) + x2(-9 + x2)) = 85
((-9 * -5 + x2 * -5) + -4x * (-9 + x2) + x2(-9 + x2)) = 85
((45 + -5x2) + -4x * (-9 + x2) + x2(-9 + x2)) = 85
(45 + -5x2 + (-9 * -4x + x2 * -4x) + x2(-9 + x2)) = 85
(45 + -5x2 + (36x + -4x3) + x2(-9 + x2)) = 85
(45 + -5x2 + 36x + -4x3 + (-9 * x2 + x2 * x2)) = 85
(45 + -5x2 + 36x + -4x3 + (-9x2 + x4)) = 85

Reorder the terms:
(45 + 36x + -5x2 + -9x2 + -4x3 + x4) = 85

Combine like terms: -5x2 + -9x2 = -14x2
(45 + 36x + -14x2 + -4x3 + x4) = 85

Solving
45 + 36x + -14x2 + -4x3 + x4 = 85

Solving for variable 'x'.

Reorder the terms:
45 + -85 + 36x + -14x2 + -4x3 + x4 = 85 + -85

Combine like terms: 45 + -85 = -40
-40 + 36x + -14x2 + -4x3 + x4 = 85 + -85

Combine like terms: 85 + -85 = 0
-40 + 36x + -14x2 + -4x3 + x4 = 0

The solution to this equation could not be determined.

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