5=x^2+8x+17

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Solution for 5=x^2+8x+17 equation:


Simplifying
5 = x2 + 8x + 17

Reorder the terms:
5 = 17 + 8x + x2

Solving
5 = 17 + 8x + x2

Solving for variable 'x'.

Combine like terms: 5 + -17 = -12
-12 + -8x + -1x2 = 17 + 8x + x2 + -17 + -8x + -1x2

Reorder the terms:
-12 + -8x + -1x2 = 17 + -17 + 8x + -8x + x2 + -1x2

Combine like terms: 17 + -17 = 0
-12 + -8x + -1x2 = 0 + 8x + -8x + x2 + -1x2
-12 + -8x + -1x2 = 8x + -8x + x2 + -1x2

Combine like terms: 8x + -8x = 0
-12 + -8x + -1x2 = 0 + x2 + -1x2
-12 + -8x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-12 + -8x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(12 + 8x + x2) = 0

Factor a trinomial.
-1((6 + x)(2 + x)) = 0

Ignore the factor -1.

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 '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {-6, -2}

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