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

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


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

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

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

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

Multiply (9 + 6x) * (-5 + x)
-6x + 6x2 = (9(-5 + x) + 6x * (-5 + x))
-6x + 6x2 = ((-5 * 9 + x * 9) + 6x * (-5 + x))
-6x + 6x2 = ((-45 + 9x) + 6x * (-5 + x))
-6x + 6x2 = (-45 + 9x + (-5 * 6x + x * 6x))
-6x + 6x2 = (-45 + 9x + (-30x + 6x2))

Combine like terms: 9x + -30x = -21x
-6x + 6x2 = (-45 + -21x + 6x2)

Add '-6x2' to each side of the equation.
-6x + 6x2 + -6x2 = -45 + -21x + 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
-6x + 0 = -45 + -21x + 6x2 + -6x2
-6x = -45 + -21x + 6x2 + -6x2

Combine like terms: 6x2 + -6x2 = 0
-6x = -45 + -21x + 0
-6x = -45 + -21x

Solving
-6x = -45 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
-6x + 21x = -45 + -21x + 21x

Combine like terms: -6x + 21x = 15x
15x = -45 + -21x + 21x

Combine like terms: -21x + 21x = 0
15x = -45 + 0
15x = -45

Divide each side by '15'.
x = -3

Simplifying
x = -3

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