x^2-2x-1=9-5x

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Solution for x^2-2x-1=9-5x equation: 


Simplifying
x2 + -2x + -1 = 9 + -5x

Reorder the terms:
-1 + -2x + x2 = 9 + -5x

Solving
-1 + -2x + x2 = 9 + -5x

Solving for variable 'x'.

Reorder the terms:
-1 + -9 + -2x + 5x + x2 = 9 + -5x + -9 + 5x

Combine like terms: -1 + -9 = -10
-10 + -2x + 5x + x2 = 9 + -5x + -9 + 5x

Combine like terms: -2x + 5x = 3x
-10 + 3x + x2 = 9 + -5x + -9 + 5x

Reorder the terms:
-10 + 3x + x2 = 9 + -9 + -5x + 5x

Combine like terms: 9 + -9 = 0
-10 + 3x + x2 = 0 + -5x + 5x
-10 + 3x + x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
-10 + 3x + x2 = 0

Factor a trinomial.
(-5 + -1x)(2 + -1x) = 0


Subproblem 1
Set the factor '(-5 + -1x)' equal to zero and attempt to solve:

Simplifying
-5 + -1x = 0

Solving
-5 + -1x = 0

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

Add '5' to each side of the equation.
-5 + 5 + -1x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -1x = 0 + 5
-1x = 0 + 5

Combine like terms: 0 + 5 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

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

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

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

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = 0 + -2
-1x = 0 + -2

Combine like terms: 0 + -2 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2
Solution
x = {-5, 2}

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