x(3x-4)+x(2x-3)=(5x+8)(x-5)

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Solution for x(3x-4)+x(2x-3)=(5x+8)(x-5) equation:


Simplifying
x(3x + -4) + x(2x + -3) = (5x + 8)(x + -5)

Reorder the terms:
x(-4 + 3x) + x(2x + -3) = (5x + 8)(x + -5)
(-4 * x + 3x * x) + x(2x + -3) = (5x + 8)(x + -5)
(-4x + 3x2) + x(2x + -3) = (5x + 8)(x + -5)

Reorder the terms:
-4x + 3x2 + x(-3 + 2x) = (5x + 8)(x + -5)
-4x + 3x2 + (-3 * x + 2x * x) = (5x + 8)(x + -5)
-4x + 3x2 + (-3x + 2x2) = (5x + 8)(x + -5)

Reorder the terms:
-4x + -3x + 3x2 + 2x2 = (5x + 8)(x + -5)

Combine like terms: -4x + -3x = -7x
-7x + 3x2 + 2x2 = (5x + 8)(x + -5)

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

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

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

Multiply (8 + 5x) * (-5 + x)
-7x + 5x2 = (8(-5 + x) + 5x * (-5 + x))
-7x + 5x2 = ((-5 * 8 + x * 8) + 5x * (-5 + x))
-7x + 5x2 = ((-40 + 8x) + 5x * (-5 + x))
-7x + 5x2 = (-40 + 8x + (-5 * 5x + x * 5x))
-7x + 5x2 = (-40 + 8x + (-25x + 5x2))

Combine like terms: 8x + -25x = -17x
-7x + 5x2 = (-40 + -17x + 5x2)

Add '-5x2' to each side of the equation.
-7x + 5x2 + -5x2 = -40 + -17x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-7x + 0 = -40 + -17x + 5x2 + -5x2
-7x = -40 + -17x + 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-7x = -40 + -17x + 0
-7x = -40 + -17x

Solving
-7x = -40 + -17x

Solving for variable 'x'.

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

Add '17x' to each side of the equation.
-7x + 17x = -40 + -17x + 17x

Combine like terms: -7x + 17x = 10x
10x = -40 + -17x + 17x

Combine like terms: -17x + 17x = 0
10x = -40 + 0
10x = -40

Divide each side by '10'.
x = -4

Simplifying
x = -4

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