(x+1)(3-x)(x-4)(x+7)=0

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Solution for (x+1)(3-x)(x-4)(x+7)=0 equation: 


Simplifying
(x + 1)(3 + -1x)(x + -4)(x + 7) = 0

Reorder the terms:
(1 + x)(3 + -1x)(x + -4)(x + 7) = 0

Reorder the terms:
(1 + x)(3 + -1x)(-4 + x)(x + 7) = 0

Reorder the terms:
(1 + x)(3 + -1x)(-4 + x)(7 + x) = 0

Multiply (1 + x) * (3 + -1x)
(1(3 + -1x) + x(3 + -1x))(-4 + x)(7 + x) = 0
((3 * 1 + -1x * 1) + x(3 + -1x))(-4 + x)(7 + x) = 0
((3 + -1x) + x(3 + -1x))(-4 + x)(7 + x) = 0
(3 + -1x + (3 * x + -1x * x))(-4 + x)(7 + x) = 0
(3 + -1x + (3x + -1x2))(-4 + x)(7 + x) = 0

Combine like terms: -1x + 3x = 2x
(3 + 2x + -1x2)(-4 + x)(7 + x) = 0

Multiply (3 + 2x + -1x2) * (-4 + x)
(3(-4 + x) + 2x * (-4 + x) + -1x2 * (-4 + x))(7 + x) = 0
((-4 * 3 + x * 3) + 2x * (-4 + x) + -1x2 * (-4 + x))(7 + x) = 0
((-12 + 3x) + 2x * (-4 + x) + -1x2 * (-4 + x))(7 + x) = 0
(-12 + 3x + (-4 * 2x + x * 2x) + -1x2 * (-4 + x))(7 + x) = 0
(-12 + 3x + (-8x + 2x2) + -1x2 * (-4 + x))(7 + x) = 0
(-12 + 3x + -8x + 2x2 + (-4 * -1x2 + x * -1x2))(7 + x) = 0
(-12 + 3x + -8x + 2x2 + (4x2 + -1x3))(7 + x) = 0

Combine like terms: 3x + -8x = -5x
(-12 + -5x + 2x2 + 4x2 + -1x3)(7 + x) = 0

Combine like terms: 2x2 + 4x2 = 6x2
(-12 + -5x + 6x2 + -1x3)(7 + x) = 0

Multiply (-12 + -5x + 6x2 + -1x3) * (7 + x)
(-12(7 + x) + -5x * (7 + x) + 6x2 * (7 + x) + -1x3 * (7 + x)) = 0
((7 * -12 + x * -12) + -5x * (7 + x) + 6x2 * (7 + x) + -1x3 * (7 + x)) = 0
((-84 + -12x) + -5x * (7 + x) + 6x2 * (7 + x) + -1x3 * (7 + x)) = 0
(-84 + -12x + (7 * -5x + x * -5x) + 6x2 * (7 + x) + -1x3 * (7 + x)) = 0
(-84 + -12x + (-35x + -5x2) + 6x2 * (7 + x) + -1x3 * (7 + x)) = 0
(-84 + -12x + -35x + -5x2 + (7 * 6x2 + x * 6x2) + -1x3 * (7 + x)) = 0
(-84 + -12x + -35x + -5x2 + (42x2 + 6x3) + -1x3 * (7 + x)) = 0
(-84 + -12x + -35x + -5x2 + 42x2 + 6x3 + (7 * -1x3 + x * -1x3)) = 0
(-84 + -12x + -35x + -5x2 + 42x2 + 6x3 + (-7x3 + -1x4)) = 0

Combine like terms: -12x + -35x = -47x
(-84 + -47x + -5x2 + 42x2 + 6x3 + -7x3 + -1x4) = 0

Combine like terms: -5x2 + 42x2 = 37x2
(-84 + -47x + 37x2 + 6x3 + -7x3 + -1x4) = 0

Combine like terms: 6x3 + -7x3 = -1x3
(-84 + -47x + 37x2 + -1x3 + -1x4) = 0

Solving
-84 + -47x + 37x2 + -1x3 + -1x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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