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Simplifying (x2 + -4) + (x + 4) = 0 Reorder the terms: (-4 + x2) + (x + 4) = 0 Remove parenthesis around (-4 + x2) -4 + x2 + (x + 4) = 0 Reorder the terms: -4 + x2 + (4 + x) = 0 Remove parenthesis around (4 + x) -4 + x2 + 4 + x = 0 Reorder the terms: -4 + 4 + x + x2 = 0 Combine like terms: -4 + 4 = 0 0 + x + x2 = 0 x + x2 = 0 Solving x + x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(1 + x) = 0Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 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 = -1Solution
x = {0, -1}
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