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Simplifying x2 + 15 = -10x + -10 Reorder the terms: 15 + x2 = -10x + -10 Reorder the terms: 15 + x2 = -10 + -10x Solving 15 + x2 = -10 + -10x Solving for variable 'x'. Reorder the terms: 15 + 10 + 10x + x2 = -10 + -10x + 10 + 10x Combine like terms: 15 + 10 = 25 25 + 10x + x2 = -10 + -10x + 10 + 10x Reorder the terms: 25 + 10x + x2 = -10 + 10 + -10x + 10x Combine like terms: -10 + 10 = 0 25 + 10x + x2 = 0 + -10x + 10x 25 + 10x + x2 = -10x + 10x Combine like terms: -10x + 10x = 0 25 + 10x + x2 = 0 Factor a trinomial. (5 + x)(5 + x) = 0Subproblem 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 = -5Subproblem 2
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 = -5Solution
x = {-5, -5}
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