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

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


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

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

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

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

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

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

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

Combine like terms: -28x + 3x = -25x
(-28 + -25x + 3x2 + 1x2 + x3) = 0

Combine like terms: 3x2 + 1x2 = 4x2
(-28 + -25x + 4x2 + x3) = 0

Solving
-28 + -25x + 4x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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