x^2+20x+103=7

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Solution for x^2+20x+103=7 equation:


Simplifying
x2 + 20x + 103 = 7

Reorder the terms:
103 + 20x + x2 = 7

Solving
103 + 20x + x2 = 7

Solving for variable 'x'.

Reorder the terms:
103 + -7 + 20x + x2 = 7 + -7

Combine like terms: 103 + -7 = 96
96 + 20x + x2 = 7 + -7

Combine like terms: 7 + -7 = 0
96 + 20x + x2 = 0

Factor a trinomial.
(12 + x)(8 + x) = 0

Subproblem 1

Set the factor '(12 + x)' equal to zero and attempt to solve: Simplifying 12 + x = 0 Solving 12 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + x = 0 + -12 x = 0 + -12 Combine like terms: 0 + -12 = -12 x = -12 Simplifying x = -12

Subproblem 2

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Solution

x = {-12, -8}

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