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

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


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

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

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

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

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

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

Multiply (-4 + -1x + 3x2) * (7 + x)
(-4(7 + x) + -1x * (7 + x) + 3x2 * (7 + x)) = 0
((7 * -4 + x * -4) + -1x * (7 + x) + 3x2 * (7 + x)) = 0
((-28 + -4x) + -1x * (7 + x) + 3x2 * (7 + x)) = 0
(-28 + -4x + (7 * -1x + x * -1x) + 3x2 * (7 + x)) = 0
(-28 + -4x + (-7x + -1x2) + 3x2 * (7 + x)) = 0
(-28 + -4x + -7x + -1x2 + (7 * 3x2 + x * 3x2)) = 0
(-28 + -4x + -7x + -1x2 + (21x2 + 3x3)) = 0

Combine like terms: -4x + -7x = -11x
(-28 + -11x + -1x2 + 21x2 + 3x3) = 0

Combine like terms: -1x2 + 21x2 = 20x2
(-28 + -11x + 20x2 + 3x3) = 0

Solving
-28 + -11x + 20x2 + 3x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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