x(x-6)+15=x(x+9)

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Solution for x(x-6)+15=x(x+9) equation:


Simplifying
x(x + -6) + 15 = x(x + 9)

Reorder the terms:
x(-6 + x) + 15 = x(x + 9)
(-6 * x + x * x) + 15 = x(x + 9)
(-6x + x2) + 15 = x(x + 9)

Reorder the terms:
15 + -6x + x2 = x(x + 9)

Reorder the terms:
15 + -6x + x2 = x(9 + x)
15 + -6x + x2 = (9 * x + x * x)
15 + -6x + x2 = (9x + x2)

Add '-1x2' to each side of the equation.
15 + -6x + x2 + -1x2 = 9x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
15 + -6x + 0 = 9x + x2 + -1x2
15 + -6x = 9x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
15 + -6x = 9x + 0
15 + -6x = 9x

Solving
15 + -6x = 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15 + -6x + -9x = 9x + -9x

Combine like terms: -6x + -9x = -15x
15 + -15x = 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -15x = 0

Add '-15' to each side of the equation.
15 + -15 + -15x = 0 + -15

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

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

Divide each side by '-15'.
x = 1

Simplifying
x = 1

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