9+6x+x^2=36-12x+x^2+9

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Solution for 9+6x+x^2=36-12x+x^2+9 equation:


Simplifying
9 + 6x + x2 = 36 + -12x + x2 + 9

Reorder the terms:
9 + 6x + x2 = 36 + 9 + -12x + x2

Combine like terms: 36 + 9 = 45
9 + 6x + x2 = 45 + -12x + x2

Add '-1x2' to each side of the equation.
9 + 6x + x2 + -1x2 = 45 + -12x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
9 + 6x + 0 = 45 + -12x + x2 + -1x2
9 + 6x = 45 + -12x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
9 + 6x = 45 + -12x + 0
9 + 6x = 45 + -12x

Solving
9 + 6x = 45 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
9 + 6x + 12x = 45 + -12x + 12x

Combine like terms: 6x + 12x = 18x
9 + 18x = 45 + -12x + 12x

Combine like terms: -12x + 12x = 0
9 + 18x = 45 + 0
9 + 18x = 45

Add '-9' to each side of the equation.
9 + -9 + 18x = 45 + -9

Combine like terms: 9 + -9 = 0
0 + 18x = 45 + -9
18x = 45 + -9

Combine like terms: 45 + -9 = 36
18x = 36

Divide each side by '18'.
x = 2

Simplifying
x = 2

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