(x+3)(x-9)(4x-5)=0

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Solution for (x+3)(x-9)(4x-5)=0 equation:


Simplifying
(x + 3)(x + -9)(4x + -5) = 0

Reorder the terms:
(3 + x)(x + -9)(4x + -5) = 0

Reorder the terms:
(3 + x)(-9 + x)(4x + -5) = 0

Reorder the terms:
(3 + x)(-9 + x)(-5 + 4x) = 0

Multiply (3 + x) * (-9 + x)
(3(-9 + x) + x(-9 + x))(-5 + 4x) = 0
((-9 * 3 + x * 3) + x(-9 + x))(-5 + 4x) = 0
((-27 + 3x) + x(-9 + x))(-5 + 4x) = 0
(-27 + 3x + (-9 * x + x * x))(-5 + 4x) = 0
(-27 + 3x + (-9x + x2))(-5 + 4x) = 0

Combine like terms: 3x + -9x = -6x
(-27 + -6x + x2)(-5 + 4x) = 0

Multiply (-27 + -6x + x2) * (-5 + 4x)
(-27(-5 + 4x) + -6x * (-5 + 4x) + x2(-5 + 4x)) = 0
((-5 * -27 + 4x * -27) + -6x * (-5 + 4x) + x2(-5 + 4x)) = 0
((135 + -108x) + -6x * (-5 + 4x) + x2(-5 + 4x)) = 0
(135 + -108x + (-5 * -6x + 4x * -6x) + x2(-5 + 4x)) = 0
(135 + -108x + (30x + -24x2) + x2(-5 + 4x)) = 0
(135 + -108x + 30x + -24x2 + (-5 * x2 + 4x * x2)) = 0
(135 + -108x + 30x + -24x2 + (-5x2 + 4x3)) = 0

Combine like terms: -108x + 30x = -78x
(135 + -78x + -24x2 + -5x2 + 4x3) = 0

Combine like terms: -24x2 + -5x2 = -29x2
(135 + -78x + -29x2 + 4x3) = 0

Solving
135 + -78x + -29x2 + 4x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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