x^2+6x+23=5-3x

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Solution for x^2+6x+23=5-3x equation:


Simplifying
x2 + 6x + 23 = 5 + -3x

Reorder the terms:
23 + 6x + x2 = 5 + -3x

Solving
23 + 6x + x2 = 5 + -3x

Solving for variable 'x'.

Reorder the terms:
23 + -5 + 6x + 3x + x2 = 5 + -3x + -5 + 3x

Combine like terms: 23 + -5 = 18
18 + 6x + 3x + x2 = 5 + -3x + -5 + 3x

Combine like terms: 6x + 3x = 9x
18 + 9x + x2 = 5 + -3x + -5 + 3x

Reorder the terms:
18 + 9x + x2 = 5 + -5 + -3x + 3x

Combine like terms: 5 + -5 = 0
18 + 9x + x2 = 0 + -3x + 3x
18 + 9x + x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
18 + 9x + x2 = 0

Factor a trinomial.
(6 + x)(3 + 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 '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {-6, -3}

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