x(3x-4)=(3x+4)(x-8)

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Solution for x(3x-4)=(3x+4)(x-8) equation:


Simplifying
x(3x + -4) = (3x + 4)(x + -8)

Reorder the terms:
x(-4 + 3x) = (3x + 4)(x + -8)
(-4 * x + 3x * x) = (3x + 4)(x + -8)
(-4x + 3x2) = (3x + 4)(x + -8)

Reorder the terms:
-4x + 3x2 = (4 + 3x)(x + -8)

Reorder the terms:
-4x + 3x2 = (4 + 3x)(-8 + x)

Multiply (4 + 3x) * (-8 + x)
-4x + 3x2 = (4(-8 + x) + 3x * (-8 + x))
-4x + 3x2 = ((-8 * 4 + x * 4) + 3x * (-8 + x))
-4x + 3x2 = ((-32 + 4x) + 3x * (-8 + x))
-4x + 3x2 = (-32 + 4x + (-8 * 3x + x * 3x))
-4x + 3x2 = (-32 + 4x + (-24x + 3x2))

Combine like terms: 4x + -24x = -20x
-4x + 3x2 = (-32 + -20x + 3x2)

Add '-3x2' to each side of the equation.
-4x + 3x2 + -3x2 = -32 + -20x + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-4x + 0 = -32 + -20x + 3x2 + -3x2
-4x = -32 + -20x + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-4x = -32 + -20x + 0
-4x = -32 + -20x

Solving
-4x = -32 + -20x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '20x' to each side of the equation.
-4x + 20x = -32 + -20x + 20x

Combine like terms: -4x + 20x = 16x
16x = -32 + -20x + 20x

Combine like terms: -20x + 20x = 0
16x = -32 + 0
16x = -32

Divide each side by '16'.
x = -2

Simplifying
x = -2

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