(x-2)(7x+9)(x+5)(x-12)=0

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Solution for (x-2)(7x+9)(x+5)(x-12)=0 equation: 


Simplifying
(x + -2)(7x + 9)(x + 5)(x + -12) = 0

Reorder the terms:
(-2 + x)(7x + 9)(x + 5)(x + -12) = 0

Reorder the terms:
(-2 + x)(9 + 7x)(x + 5)(x + -12) = 0

Reorder the terms:
(-2 + x)(9 + 7x)(5 + x)(x + -12) = 0

Reorder the terms:
(-2 + x)(9 + 7x)(5 + x)(-12 + x) = 0

Multiply (-2 + x) * (9 + 7x)
(-2(9 + 7x) + x(9 + 7x))(5 + x)(-12 + x) = 0
((9 * -2 + 7x * -2) + x(9 + 7x))(5 + x)(-12 + x) = 0
((-18 + -14x) + x(9 + 7x))(5 + x)(-12 + x) = 0
(-18 + -14x + (9 * x + 7x * x))(5 + x)(-12 + x) = 0
(-18 + -14x + (9x + 7x2))(5 + x)(-12 + x) = 0

Combine like terms: -14x + 9x = -5x
(-18 + -5x + 7x2)(5 + x)(-12 + x) = 0

Multiply (-18 + -5x + 7x2) * (5 + x)
(-18(5 + x) + -5x * (5 + x) + 7x2 * (5 + x))(-12 + x) = 0
((5 * -18 + x * -18) + -5x * (5 + x) + 7x2 * (5 + x))(-12 + x) = 0
((-90 + -18x) + -5x * (5 + x) + 7x2 * (5 + x))(-12 + x) = 0
(-90 + -18x + (5 * -5x + x * -5x) + 7x2 * (5 + x))(-12 + x) = 0
(-90 + -18x + (-25x + -5x2) + 7x2 * (5 + x))(-12 + x) = 0
(-90 + -18x + -25x + -5x2 + (5 * 7x2 + x * 7x2))(-12 + x) = 0
(-90 + -18x + -25x + -5x2 + (35x2 + 7x3))(-12 + x) = 0

Combine like terms: -18x + -25x = -43x
(-90 + -43x + -5x2 + 35x2 + 7x3)(-12 + x) = 0

Combine like terms: -5x2 + 35x2 = 30x2
(-90 + -43x + 30x2 + 7x3)(-12 + x) = 0

Multiply (-90 + -43x + 30x2 + 7x3) * (-12 + x)
(-90(-12 + x) + -43x * (-12 + x) + 30x2 * (-12 + x) + 7x3 * (-12 + x)) = 0
((-12 * -90 + x * -90) + -43x * (-12 + x) + 30x2 * (-12 + x) + 7x3 * (-12 + x)) = 0
((1080 + -90x) + -43x * (-12 + x) + 30x2 * (-12 + x) + 7x3 * (-12 + x)) = 0
(1080 + -90x + (-12 * -43x + x * -43x) + 30x2 * (-12 + x) + 7x3 * (-12 + x)) = 0
(1080 + -90x + (516x + -43x2) + 30x2 * (-12 + x) + 7x3 * (-12 + x)) = 0
(1080 + -90x + 516x + -43x2 + (-12 * 30x2 + x * 30x2) + 7x3 * (-12 + x)) = 0
(1080 + -90x + 516x + -43x2 + (-360x2 + 30x3) + 7x3 * (-12 + x)) = 0
(1080 + -90x + 516x + -43x2 + -360x2 + 30x3 + (-12 * 7x3 + x * 7x3)) = 0
(1080 + -90x + 516x + -43x2 + -360x2 + 30x3 + (-84x3 + 7x4)) = 0

Combine like terms: -90x + 516x = 426x
(1080 + 426x + -43x2 + -360x2 + 30x3 + -84x3 + 7x4) = 0

Combine like terms: -43x2 + -360x2 = -403x2
(1080 + 426x + -403x2 + 30x3 + -84x3 + 7x4) = 0

Combine like terms: 30x3 + -84x3 = -54x3
(1080 + 426x + -403x2 + -54x3 + 7x4) = 0

Solving
1080 + 426x + -403x2 + -54x3 + 7x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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