(x+4)(x-5)(5x-4)=0

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Solution for (x+4)(x-5)(5x-4)=0 equation:


Simplifying
(x + 4)(x + -5)(5x + -4) = 0

Reorder the terms:
(4 + x)(x + -5)(5x + -4) = 0

Reorder the terms:
(4 + x)(-5 + x)(5x + -4) = 0

Reorder the terms:
(4 + x)(-5 + x)(-4 + 5x) = 0

Multiply (4 + x) * (-5 + x)
(4(-5 + x) + x(-5 + x))(-4 + 5x) = 0
((-5 * 4 + x * 4) + x(-5 + x))(-4 + 5x) = 0
((-20 + 4x) + x(-5 + x))(-4 + 5x) = 0
(-20 + 4x + (-5 * x + x * x))(-4 + 5x) = 0
(-20 + 4x + (-5x + x2))(-4 + 5x) = 0

Combine like terms: 4x + -5x = -1x
(-20 + -1x + x2)(-4 + 5x) = 0

Multiply (-20 + -1x + x2) * (-4 + 5x)
(-20(-4 + 5x) + -1x * (-4 + 5x) + x2(-4 + 5x)) = 0
((-4 * -20 + 5x * -20) + -1x * (-4 + 5x) + x2(-4 + 5x)) = 0
((80 + -100x) + -1x * (-4 + 5x) + x2(-4 + 5x)) = 0
(80 + -100x + (-4 * -1x + 5x * -1x) + x2(-4 + 5x)) = 0
(80 + -100x + (4x + -5x2) + x2(-4 + 5x)) = 0
(80 + -100x + 4x + -5x2 + (-4 * x2 + 5x * x2)) = 0
(80 + -100x + 4x + -5x2 + (-4x2 + 5x3)) = 0

Combine like terms: -100x + 4x = -96x
(80 + -96x + -5x2 + -4x2 + 5x3) = 0

Combine like terms: -5x2 + -4x2 = -9x2
(80 + -96x + -9x2 + 5x3) = 0

Solving
80 + -96x + -9x2 + 5x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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