(x+5)(x^2+4)(3x^2-7)=0

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Solution for (x+5)(x^2+4)(3x^2-7)=0 equation: 


Simplifying
(x + 5)(x2 + 4)(3x2 + -7) = 0

Reorder the terms:
(5 + x)(x2 + 4)(3x2 + -7) = 0

Reorder the terms:
(5 + x)(4 + x2)(3x2 + -7) = 0

Reorder the terms:
(5 + x)(4 + x2)(-7 + 3x2) = 0

Multiply (5 + x) * (4 + x2)
(5(4 + x2) + x(4 + x2))(-7 + 3x2) = 0
((4 * 5 + x2 * 5) + x(4 + x2))(-7 + 3x2) = 0
((20 + 5x2) + x(4 + x2))(-7 + 3x2) = 0
(20 + 5x2 + (4 * x + x2 * x))(-7 + 3x2) = 0
(20 + 5x2 + (4x + x3))(-7 + 3x2) = 0

Reorder the terms:
(20 + 4x + 5x2 + x3)(-7 + 3x2) = 0
(20 + 4x + 5x2 + x3)(-7 + 3x2) = 0

Multiply (20 + 4x + 5x2 + x3) * (-7 + 3x2)
(20(-7 + 3x2) + 4x * (-7 + 3x2) + 5x2 * (-7 + 3x2) + x3(-7 + 3x2)) = 0
((-7 * 20 + 3x2 * 20) + 4x * (-7 + 3x2) + 5x2 * (-7 + 3x2) + x3(-7 + 3x2)) = 0
((-140 + 60x2) + 4x * (-7 + 3x2) + 5x2 * (-7 + 3x2) + x3(-7 + 3x2)) = 0
(-140 + 60x2 + (-7 * 4x + 3x2 * 4x) + 5x2 * (-7 + 3x2) + x3(-7 + 3x2)) = 0
(-140 + 60x2 + (-28x + 12x3) + 5x2 * (-7 + 3x2) + x3(-7 + 3x2)) = 0
(-140 + 60x2 + -28x + 12x3 + (-7 * 5x2 + 3x2 * 5x2) + x3(-7 + 3x2)) = 0
(-140 + 60x2 + -28x + 12x3 + (-35x2 + 15x4) + x3(-7 + 3x2)) = 0
(-140 + 60x2 + -28x + 12x3 + -35x2 + 15x4 + (-7 * x3 + 3x2 * x3)) = 0
(-140 + 60x2 + -28x + 12x3 + -35x2 + 15x4 + (-7x3 + 3x5)) = 0

Reorder the terms:
(-140 + -28x + 60x2 + -35x2 + 12x3 + -7x3 + 15x4 + 3x5) = 0

Combine like terms: 60x2 + -35x2 = 25x2
(-140 + -28x + 25x2 + 12x3 + -7x3 + 15x4 + 3x5) = 0

Combine like terms: 12x3 + -7x3 = 5x3
(-140 + -28x + 25x2 + 5x3 + 15x4 + 3x5) = 0

Solving
-140 + -28x + 25x2 + 5x3 + 15x4 + 3x5 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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