x(5x-8)=(5x+4)(x-3)

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Solution for x(5x-8)=(5x+4)(x-3) equation:


Simplifying
x(5x + -8) = (5x + 4)(x + -3)

Reorder the terms:
x(-8 + 5x) = (5x + 4)(x + -3)
(-8 * x + 5x * x) = (5x + 4)(x + -3)
(-8x + 5x2) = (5x + 4)(x + -3)

Reorder the terms:
-8x + 5x2 = (4 + 5x)(x + -3)

Reorder the terms:
-8x + 5x2 = (4 + 5x)(-3 + x)

Multiply (4 + 5x) * (-3 + x)
-8x + 5x2 = (4(-3 + x) + 5x * (-3 + x))
-8x + 5x2 = ((-3 * 4 + x * 4) + 5x * (-3 + x))
-8x + 5x2 = ((-12 + 4x) + 5x * (-3 + x))
-8x + 5x2 = (-12 + 4x + (-3 * 5x + x * 5x))
-8x + 5x2 = (-12 + 4x + (-15x + 5x2))

Combine like terms: 4x + -15x = -11x
-8x + 5x2 = (-12 + -11x + 5x2)

Add '-5x2' to each side of the equation.
-8x + 5x2 + -5x2 = -12 + -11x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-8x + 0 = -12 + -11x + 5x2 + -5x2
-8x = -12 + -11x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-8x = -12 + -11x + 0
-8x = -12 + -11x

Solving
-8x = -12 + -11x

Solving for variable 'x'.

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

Add '11x' to each side of the equation.
-8x + 11x = -12 + -11x + 11x

Combine like terms: -8x + 11x = 3x
3x = -12 + -11x + 11x

Combine like terms: -11x + 11x = 0
3x = -12 + 0
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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