(x+3)(x-1)(x+1)=105

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Solution for (x+3)(x-1)(x+1)=105 equation: 


Simplifying
(x + 3)(x + -1)(x + 1) = 105

Reorder the terms:
(3 + x)(x + -1)(x + 1) = 105

Reorder the terms:
(3 + x)(-1 + x)(x + 1) = 105

Reorder the terms:
(3 + x)(-1 + x)(1 + x) = 105

Multiply (3 + x) * (-1 + x)
(3(-1 + x) + x(-1 + x))(1 + x) = 105
((-1 * 3 + x * 3) + x(-1 + x))(1 + x) = 105
((-3 + 3x) + x(-1 + x))(1 + x) = 105
(-3 + 3x + (-1 * x + x * x))(1 + x) = 105
(-3 + 3x + (-1x + x2))(1 + x) = 105

Combine like terms: 3x + -1x = 2x
(-3 + 2x + x2)(1 + x) = 105

Multiply (-3 + 2x + x2) * (1 + x)
(-3(1 + x) + 2x * (1 + x) + x2(1 + x)) = 105
((1 * -3 + x * -3) + 2x * (1 + x) + x2(1 + x)) = 105
((-3 + -3x) + 2x * (1 + x) + x2(1 + x)) = 105
(-3 + -3x + (1 * 2x + x * 2x) + x2(1 + x)) = 105
(-3 + -3x + (2x + 2x2) + x2(1 + x)) = 105
(-3 + -3x + 2x + 2x2 + (1 * x2 + x * x2)) = 105
(-3 + -3x + 2x + 2x2 + (1x2 + x3)) = 105

Combine like terms: -3x + 2x = -1x
(-3 + -1x + 2x2 + 1x2 + x3) = 105

Combine like terms: 2x2 + 1x2 = 3x2
(-3 + -1x + 3x2 + x3) = 105

Solving
-3 + -1x + 3x2 + x3 = 105

Solving for variable 'x'.

Reorder the terms:
-3 + -105 + -1x + 3x2 + x3 = 105 + -105

Combine like terms: -3 + -105 = -108
-108 + -1x + 3x2 + x3 = 105 + -105

Combine like terms: 105 + -105 = 0
-108 + -1x + 3x2 + x3 = 0

The solution to this equation could not be determined.

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