(x+2)(x-9)(4x-5)=0

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Solution for (x+2)(x-9)(4x-5)=0 equation:


Simplifying
(x + 2)(x + -9)(4x + -5) = 0

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

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

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

Multiply (2 + x) * (-9 + x)
(2(-9 + x) + x(-9 + x))(-5 + 4x) = 0
((-9 * 2 + x * 2) + x(-9 + x))(-5 + 4x) = 0
((-18 + 2x) + x(-9 + x))(-5 + 4x) = 0
(-18 + 2x + (-9 * x + x * x))(-5 + 4x) = 0
(-18 + 2x + (-9x + x2))(-5 + 4x) = 0

Combine like terms: 2x + -9x = -7x
(-18 + -7x + x2)(-5 + 4x) = 0

Multiply (-18 + -7x + x2) * (-5 + 4x)
(-18(-5 + 4x) + -7x * (-5 + 4x) + x2(-5 + 4x)) = 0
((-5 * -18 + 4x * -18) + -7x * (-5 + 4x) + x2(-5 + 4x)) = 0
((90 + -72x) + -7x * (-5 + 4x) + x2(-5 + 4x)) = 0
(90 + -72x + (-5 * -7x + 4x * -7x) + x2(-5 + 4x)) = 0
(90 + -72x + (35x + -28x2) + x2(-5 + 4x)) = 0
(90 + -72x + 35x + -28x2 + (-5 * x2 + 4x * x2)) = 0
(90 + -72x + 35x + -28x2 + (-5x2 + 4x3)) = 0

Combine like terms: -72x + 35x = -37x
(90 + -37x + -28x2 + -5x2 + 4x3) = 0

Combine like terms: -28x2 + -5x2 = -33x2
(90 + -37x + -33x2 + 4x3) = 0

Solving
90 + -37x + -33x2 + 4x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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