x^2+9x+9=2x+3

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Solution for x^2+9x+9=2x+3 equation:


Simplifying
x2 + 9x + 9 = 2x + 3

Reorder the terms:
9 + 9x + x2 = 2x + 3

Reorder the terms:
9 + 9x + x2 = 3 + 2x

Solving
9 + 9x + x2 = 3 + 2x

Solving for variable 'x'.

Reorder the terms:
9 + -3 + 9x + -2x + x2 = 3 + 2x + -3 + -2x

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

Combine like terms: 9x + -2x = 7x
6 + 7x + x2 = 3 + 2x + -3 + -2x

Reorder the terms:
6 + 7x + x2 = 3 + -3 + 2x + -2x

Combine like terms: 3 + -3 = 0
6 + 7x + x2 = 0 + 2x + -2x
6 + 7x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
6 + 7x + x2 = 0

Factor a trinomial.
(6 + x)(1 + x) = 0

Subproblem 1

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-6, -1}

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