x(3x-3)+x(2x-2)=(5x+7)(x-8)

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Solution for x(3x-3)+x(2x-2)=(5x+7)(x-8) equation:


Simplifying
x(3x + -3) + x(2x + -2) = (5x + 7)(x + -8)

Reorder the terms:
x(-3 + 3x) + x(2x + -2) = (5x + 7)(x + -8)
(-3 * x + 3x * x) + x(2x + -2) = (5x + 7)(x + -8)
(-3x + 3x2) + x(2x + -2) = (5x + 7)(x + -8)

Reorder the terms:
-3x + 3x2 + x(-2 + 2x) = (5x + 7)(x + -8)
-3x + 3x2 + (-2 * x + 2x * x) = (5x + 7)(x + -8)
-3x + 3x2 + (-2x + 2x2) = (5x + 7)(x + -8)

Reorder the terms:
-3x + -2x + 3x2 + 2x2 = (5x + 7)(x + -8)

Combine like terms: -3x + -2x = -5x
-5x + 3x2 + 2x2 = (5x + 7)(x + -8)

Combine like terms: 3x2 + 2x2 = 5x2
-5x + 5x2 = (5x + 7)(x + -8)

Reorder the terms:
-5x + 5x2 = (7 + 5x)(x + -8)

Reorder the terms:
-5x + 5x2 = (7 + 5x)(-8 + x)

Multiply (7 + 5x) * (-8 + x)
-5x + 5x2 = (7(-8 + x) + 5x * (-8 + x))
-5x + 5x2 = ((-8 * 7 + x * 7) + 5x * (-8 + x))
-5x + 5x2 = ((-56 + 7x) + 5x * (-8 + x))
-5x + 5x2 = (-56 + 7x + (-8 * 5x + x * 5x))
-5x + 5x2 = (-56 + 7x + (-40x + 5x2))

Combine like terms: 7x + -40x = -33x
-5x + 5x2 = (-56 + -33x + 5x2)

Add '-5x2' to each side of the equation.
-5x + 5x2 + -5x2 = -56 + -33x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-5x + 0 = -56 + -33x + 5x2 + -5x2
-5x = -56 + -33x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-5x = -56 + -33x + 0
-5x = -56 + -33x

Solving
-5x = -56 + -33x

Solving for variable 'x'.

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

Add '33x' to each side of the equation.
-5x + 33x = -56 + -33x + 33x

Combine like terms: -5x + 33x = 28x
28x = -56 + -33x + 33x

Combine like terms: -33x + 33x = 0
28x = -56 + 0
28x = -56

Divide each side by '28'.
x = -2

Simplifying
x = -2

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