x(2x-6)=(2x+9)(x-3)

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Solution for x(2x-6)=(2x+9)(x-3) equation:


Simplifying
x(2x + -6) = (2x + 9)(x + -3)

Reorder the terms:
x(-6 + 2x) = (2x + 9)(x + -3)
(-6 * x + 2x * x) = (2x + 9)(x + -3)
(-6x + 2x2) = (2x + 9)(x + -3)

Reorder the terms:
-6x + 2x2 = (9 + 2x)(x + -3)

Reorder the terms:
-6x + 2x2 = (9 + 2x)(-3 + x)

Multiply (9 + 2x) * (-3 + x)
-6x + 2x2 = (9(-3 + x) + 2x * (-3 + x))
-6x + 2x2 = ((-3 * 9 + x * 9) + 2x * (-3 + x))
-6x + 2x2 = ((-27 + 9x) + 2x * (-3 + x))
-6x + 2x2 = (-27 + 9x + (-3 * 2x + x * 2x))
-6x + 2x2 = (-27 + 9x + (-6x + 2x2))

Combine like terms: 9x + -6x = 3x
-6x + 2x2 = (-27 + 3x + 2x2)

Add '-2x2' to each side of the equation.
-6x + 2x2 + -2x2 = -27 + 3x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-6x + 0 = -27 + 3x + 2x2 + -2x2
-6x = -27 + 3x + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-6x = -27 + 3x + 0
-6x = -27 + 3x

Solving
-6x = -27 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-6x + -3x = -27 + 3x + -3x

Combine like terms: -6x + -3x = -9x
-9x = -27 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9x = -27 + 0
-9x = -27

Divide each side by '-9'.
x = 3

Simplifying
x = 3

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