x^2+2x+9=6x+6

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Solution for x^2+2x+9=6x+6 equation:


Simplifying
x2 + 2x + 9 = 6x + 6

Reorder the terms:
9 + 2x + x2 = 6x + 6

Reorder the terms:
9 + 2x + x2 = 6 + 6x

Solving
9 + 2x + x2 = 6 + 6x

Solving for variable 'x'.

Reorder the terms:
9 + -6 + 2x + -6x + x2 = 6 + 6x + -6 + -6x

Combine like terms: 9 + -6 = 3
3 + 2x + -6x + x2 = 6 + 6x + -6 + -6x

Combine like terms: 2x + -6x = -4x
3 + -4x + x2 = 6 + 6x + -6 + -6x

Reorder the terms:
3 + -4x + x2 = 6 + -6 + 6x + -6x

Combine like terms: 6 + -6 = 0
3 + -4x + x2 = 0 + 6x + -6x
3 + -4x + x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
3 + -4x + x2 = 0

Factor a trinomial.
(1 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {1, 3}

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