2x+4x-9+x^2+2x+9=180

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Solution for 2x+4x-9+x^2+2x+9=180 equation: 


Simplifying
2x + 4x + -9 + x2 + 2x + 9 = 180

Reorder the terms:
-9 + 9 + 2x + 4x + 2x + x2 = 180

Combine like terms: -9 + 9 = 0
0 + 2x + 4x + 2x + x2 = 180
2x + 4x + 2x + x2 = 180

Combine like terms: 2x + 4x = 6x
6x + 2x + x2 = 180

Combine like terms: 6x + 2x = 8x
8x + x2 = 180

Solving
8x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
-180 + 8x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + 8x + x2 = 0

Factor a trinomial.
(-18 + -1x)(10 + -1x) = 0


Subproblem 1
Set the factor '(-18 + -1x)' equal to zero and attempt to solve:

Simplifying
-18 + -1x = 0

Solving
-18 + -1x = 0

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

Add '18' to each side of the equation.
-18 + 18 + -1x = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -1x = 0 + 18
-1x = 0 + 18

Combine like terms: 0 + 18 = 18
-1x = 18

Divide each side by '-1'.
x = -18

Simplifying
x = -18

Subproblem 2
Set the factor '(10 + -1x)' equal to zero and attempt to solve:

Simplifying
10 + -1x = 0

Solving
10 + -1x = 0

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

Add '-10' to each side of the equation.
10 + -10 + -1x = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -1x = 0 + -10
-1x = 0 + -10

Combine like terms: 0 + -10 = -10
-1x = -10

Divide each side by '-1'.
x = 10

Simplifying
x = 10
Solution
x = {-18, 10}

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