(x+3)(x+5)(x-7)(x-9)=0

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Solution for (x+3)(x+5)(x-7)(x-9)=0 equation: 


Simplifying
(x + 3)(x + 5)(x + -7)(x + -9) = 0

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

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

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

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

Multiply (3 + x) * (5 + x)
(3(5 + x) + x(5 + x))(-7 + x)(-9 + x) = 0
((5 * 3 + x * 3) + x(5 + x))(-7 + x)(-9 + x) = 0
((15 + 3x) + x(5 + x))(-7 + x)(-9 + x) = 0
(15 + 3x + (5 * x + x * x))(-7 + x)(-9 + x) = 0
(15 + 3x + (5x + x2))(-7 + x)(-9 + x) = 0

Combine like terms: 3x + 5x = 8x
(15 + 8x + x2)(-7 + x)(-9 + x) = 0

Multiply (15 + 8x + x2) * (-7 + x)
(15(-7 + x) + 8x * (-7 + x) + x2(-7 + x))(-9 + x) = 0
((-7 * 15 + x * 15) + 8x * (-7 + x) + x2(-7 + x))(-9 + x) = 0
((-105 + 15x) + 8x * (-7 + x) + x2(-7 + x))(-9 + x) = 0
(-105 + 15x + (-7 * 8x + x * 8x) + x2(-7 + x))(-9 + x) = 0
(-105 + 15x + (-56x + 8x2) + x2(-7 + x))(-9 + x) = 0
(-105 + 15x + -56x + 8x2 + (-7 * x2 + x * x2))(-9 + x) = 0
(-105 + 15x + -56x + 8x2 + (-7x2 + x3))(-9 + x) = 0

Combine like terms: 15x + -56x = -41x
(-105 + -41x + 8x2 + -7x2 + x3)(-9 + x) = 0

Combine like terms: 8x2 + -7x2 = 1x2
(-105 + -41x + 1x2 + x3)(-9 + x) = 0

Multiply (-105 + -41x + 1x2 + x3) * (-9 + x)
(-105(-9 + x) + -41x * (-9 + x) + 1x2 * (-9 + x) + x3(-9 + x)) = 0
((-9 * -105 + x * -105) + -41x * (-9 + x) + 1x2 * (-9 + x) + x3(-9 + x)) = 0
((945 + -105x) + -41x * (-9 + x) + 1x2 * (-9 + x) + x3(-9 + x)) = 0
(945 + -105x + (-9 * -41x + x * -41x) + 1x2 * (-9 + x) + x3(-9 + x)) = 0
(945 + -105x + (369x + -41x2) + 1x2 * (-9 + x) + x3(-9 + x)) = 0
(945 + -105x + 369x + -41x2 + (-9 * 1x2 + x * 1x2) + x3(-9 + x)) = 0
(945 + -105x + 369x + -41x2 + (-9x2 + 1x3) + x3(-9 + x)) = 0
(945 + -105x + 369x + -41x2 + -9x2 + 1x3 + (-9 * x3 + x * x3)) = 0
(945 + -105x + 369x + -41x2 + -9x2 + 1x3 + (-9x3 + x4)) = 0

Combine like terms: -105x + 369x = 264x
(945 + 264x + -41x2 + -9x2 + 1x3 + -9x3 + x4) = 0

Combine like terms: -41x2 + -9x2 = -50x2
(945 + 264x + -50x2 + 1x3 + -9x3 + x4) = 0

Combine like terms: 1x3 + -9x3 = -8x3
(945 + 264x + -50x2 + -8x3 + x4) = 0

Solving
945 + 264x + -50x2 + -8x3 + x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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