-x+4=x^2+5x+9

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Solution for -x+4=x^2+5x+9 equation:


Simplifying
-1x + 4 = x2 + 5x + 9

Reorder the terms:
4 + -1x = x2 + 5x + 9

Reorder the terms:
4 + -1x = 9 + 5x + x2

Solving
4 + -1x = 9 + 5x + x2

Solving for variable 'x'.

Reorder the terms:
4 + -9 + -1x + -5x + -1x2 = 9 + 5x + x2 + -9 + -5x + -1x2

Combine like terms: 4 + -9 = -5
-5 + -1x + -5x + -1x2 = 9 + 5x + x2 + -9 + -5x + -1x2

Combine like terms: -1x + -5x = -6x
-5 + -6x + -1x2 = 9 + 5x + x2 + -9 + -5x + -1x2

Reorder the terms:
-5 + -6x + -1x2 = 9 + -9 + 5x + -5x + x2 + -1x2

Combine like terms: 9 + -9 = 0
-5 + -6x + -1x2 = 0 + 5x + -5x + x2 + -1x2
-5 + -6x + -1x2 = 5x + -5x + x2 + -1x2

Combine like terms: 5x + -5x = 0
-5 + -6x + -1x2 = 0 + x2 + -1x2
-5 + -6x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-5 + -6x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(5 + 6x + x2) = 0

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

Ignore the factor -1.

Subproblem 1

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

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 = {-5, -1}

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