(x^2-1)(x^2-4)(x+5)=0

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Solution for (x^2-1)(x^2-4)(x+5)=0 equation: 


Simplifying
(x2 + -1)(x2 + -4)(x + 5) = 0

Reorder the terms:
(-1 + x2)(x2 + -4)(x + 5) = 0

Reorder the terms:
(-1 + x2)(-4 + x2)(x + 5) = 0

Reorder the terms:
(-1 + x2)(-4 + x2)(5 + x) = 0

Multiply (-1 + x2) * (-4 + x2)
(-1(-4 + x2) + x2(-4 + x2))(5 + x) = 0
((-4 * -1 + x2 * -1) + x2(-4 + x2))(5 + x) = 0
((4 + -1x2) + x2(-4 + x2))(5 + x) = 0
(4 + -1x2 + (-4 * x2 + x2 * x2))(5 + x) = 0
(4 + -1x2 + (-4x2 + x4))(5 + x) = 0

Combine like terms: -1x2 + -4x2 = -5x2
(4 + -5x2 + x4)(5 + x) = 0

Multiply (4 + -5x2 + x4) * (5 + x)
(4(5 + x) + -5x2 * (5 + x) + x4(5 + x)) = 0
((5 * 4 + x * 4) + -5x2 * (5 + x) + x4(5 + x)) = 0
((20 + 4x) + -5x2 * (5 + x) + x4(5 + x)) = 0
(20 + 4x + (5 * -5x2 + x * -5x2) + x4(5 + x)) = 0
(20 + 4x + (-25x2 + -5x3) + x4(5 + x)) = 0
(20 + 4x + -25x2 + -5x3 + (5 * x4 + x * x4)) = 0
(20 + 4x + -25x2 + -5x3 + (5x4 + x5)) = 0
(20 + 4x + -25x2 + -5x3 + 5x4 + x5) = 0

Solving
20 + 4x + -25x2 + -5x3 + 5x4 + x5 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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