(x+13)(x-5)(x+7)=0

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Solution for (x+13)(x-5)(x+7)=0 equation:


Simplifying
(x + 13)(x + -5)(x + 7) = 0

Reorder the terms:
(13 + x)(x + -5)(x + 7) = 0

Reorder the terms:
(13 + x)(-5 + x)(x + 7) = 0

Reorder the terms:
(13 + x)(-5 + x)(7 + x) = 0

Multiply (13 + x) * (-5 + x)
(13(-5 + x) + x(-5 + x))(7 + x) = 0
((-5 * 13 + x * 13) + x(-5 + x))(7 + x) = 0
((-65 + 13x) + x(-5 + x))(7 + x) = 0
(-65 + 13x + (-5 * x + x * x))(7 + x) = 0
(-65 + 13x + (-5x + x2))(7 + x) = 0

Combine like terms: 13x + -5x = 8x
(-65 + 8x + x2)(7 + x) = 0

Multiply (-65 + 8x + x2) * (7 + x)
(-65(7 + x) + 8x * (7 + x) + x2(7 + x)) = 0
((7 * -65 + x * -65) + 8x * (7 + x) + x2(7 + x)) = 0
((-455 + -65x) + 8x * (7 + x) + x2(7 + x)) = 0
(-455 + -65x + (7 * 8x + x * 8x) + x2(7 + x)) = 0
(-455 + -65x + (56x + 8x2) + x2(7 + x)) = 0
(-455 + -65x + 56x + 8x2 + (7 * x2 + x * x2)) = 0
(-455 + -65x + 56x + 8x2 + (7x2 + x3)) = 0

Combine like terms: -65x + 56x = -9x
(-455 + -9x + 8x2 + 7x2 + x3) = 0

Combine like terms: 8x2 + 7x2 = 15x2
(-455 + -9x + 15x2 + x3) = 0

Solving
-455 + -9x + 15x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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