x(9x-7)=(9x+8)(x-3)

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Solution for x(9x-7)=(9x+8)(x-3) equation:


Simplifying
x(9x + -7) = (9x + 8)(x + -3)

Reorder the terms:
x(-7 + 9x) = (9x + 8)(x + -3)
(-7 * x + 9x * x) = (9x + 8)(x + -3)
(-7x + 9x2) = (9x + 8)(x + -3)

Reorder the terms:
-7x + 9x2 = (8 + 9x)(x + -3)

Reorder the terms:
-7x + 9x2 = (8 + 9x)(-3 + x)

Multiply (8 + 9x) * (-3 + x)
-7x + 9x2 = (8(-3 + x) + 9x * (-3 + x))
-7x + 9x2 = ((-3 * 8 + x * 8) + 9x * (-3 + x))
-7x + 9x2 = ((-24 + 8x) + 9x * (-3 + x))
-7x + 9x2 = (-24 + 8x + (-3 * 9x + x * 9x))
-7x + 9x2 = (-24 + 8x + (-27x + 9x2))

Combine like terms: 8x + -27x = -19x
-7x + 9x2 = (-24 + -19x + 9x2)

Add '-9x2' to each side of the equation.
-7x + 9x2 + -9x2 = -24 + -19x + 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-7x + 0 = -24 + -19x + 9x2 + -9x2
-7x = -24 + -19x + 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-7x = -24 + -19x + 0
-7x = -24 + -19x

Solving
-7x = -24 + -19x

Solving for variable 'x'.

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

Add '19x' to each side of the equation.
-7x + 19x = -24 + -19x + 19x

Combine like terms: -7x + 19x = 12x
12x = -24 + -19x + 19x

Combine like terms: -19x + 19x = 0
12x = -24 + 0
12x = -24

Divide each side by '12'.
x = -2

Simplifying
x = -2

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