x(3x-2)=(3x+8)(x-5)

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Solution for x(3x-2)=(3x+8)(x-5) equation:


Simplifying
x(3x + -2) = (3x + 8)(x + -5)

Reorder the terms:
x(-2 + 3x) = (3x + 8)(x + -5)
(-2 * x + 3x * x) = (3x + 8)(x + -5)
(-2x + 3x2) = (3x + 8)(x + -5)

Reorder the terms:
-2x + 3x2 = (8 + 3x)(x + -5)

Reorder the terms:
-2x + 3x2 = (8 + 3x)(-5 + x)

Multiply (8 + 3x) * (-5 + x)
-2x + 3x2 = (8(-5 + x) + 3x * (-5 + x))
-2x + 3x2 = ((-5 * 8 + x * 8) + 3x * (-5 + x))
-2x + 3x2 = ((-40 + 8x) + 3x * (-5 + x))
-2x + 3x2 = (-40 + 8x + (-5 * 3x + x * 3x))
-2x + 3x2 = (-40 + 8x + (-15x + 3x2))

Combine like terms: 8x + -15x = -7x
-2x + 3x2 = (-40 + -7x + 3x2)

Add '-3x2' to each side of the equation.
-2x + 3x2 + -3x2 = -40 + -7x + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-2x + 0 = -40 + -7x + 3x2 + -3x2
-2x = -40 + -7x + 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-2x = -40 + -7x + 0
-2x = -40 + -7x

Solving
-2x = -40 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
-2x + 7x = -40 + -7x + 7x

Combine like terms: -2x + 7x = 5x
5x = -40 + -7x + 7x

Combine like terms: -7x + 7x = 0
5x = -40 + 0
5x = -40

Divide each side by '5'.
x = -8

Simplifying
x = -8

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