x(2x-9)=(2x+6)(x-5)

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Solution for x(2x-9)=(2x+6)(x-5) equation:


Simplifying
x(2x + -9) = (2x + 6)(x + -5)

Reorder the terms:
x(-9 + 2x) = (2x + 6)(x + -5)
(-9 * x + 2x * x) = (2x + 6)(x + -5)
(-9x + 2x2) = (2x + 6)(x + -5)

Reorder the terms:
-9x + 2x2 = (6 + 2x)(x + -5)

Reorder the terms:
-9x + 2x2 = (6 + 2x)(-5 + x)

Multiply (6 + 2x) * (-5 + x)
-9x + 2x2 = (6(-5 + x) + 2x * (-5 + x))
-9x + 2x2 = ((-5 * 6 + x * 6) + 2x * (-5 + x))
-9x + 2x2 = ((-30 + 6x) + 2x * (-5 + x))
-9x + 2x2 = (-30 + 6x + (-5 * 2x + x * 2x))
-9x + 2x2 = (-30 + 6x + (-10x + 2x2))

Combine like terms: 6x + -10x = -4x
-9x + 2x2 = (-30 + -4x + 2x2)

Add '-2x2' to each side of the equation.
-9x + 2x2 + -2x2 = -30 + -4x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-9x + 0 = -30 + -4x + 2x2 + -2x2
-9x = -30 + -4x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-9x = -30 + -4x + 0
-9x = -30 + -4x

Solving
-9x = -30 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-9x + 4x = -30 + -4x + 4x

Combine like terms: -9x + 4x = -5x
-5x = -30 + -4x + 4x

Combine like terms: -4x + 4x = 0
-5x = -30 + 0
-5x = -30

Divide each side by '-5'.
x = 6

Simplifying
x = 6

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