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Simplifying (2 + -1x)(2 + -1x) + -4 = 0 Multiply (2 + -1x) * (2 + -1x) (2(2 + -1x) + -1x * (2 + -1x)) + -4 = 0 ((2 * 2 + -1x * 2) + -1x * (2 + -1x)) + -4 = 0 ((4 + -2x) + -1x * (2 + -1x)) + -4 = 0 (4 + -2x + (2 * -1x + -1x * -1x)) + -4 = 0 (4 + -2x + (-2x + 1x2)) + -4 = 0 Combine like terms: -2x + -2x = -4x (4 + -4x + 1x2) + -4 = 0 Reorder the terms: 4 + -4 + -4x + 1x2 = 0 Combine like terms: 4 + -4 = 0 0 + -4x + 1x2 = 0 -4x + 1x2 = 0 Solving -4x + 1x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(-4 + 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 '(-4 + x)' equal to zero and attempt to solve: Simplifying -4 + x = 0 Solving -4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + x = 0 + 4 x = 0 + 4 Combine like terms: 0 + 4 = 4 x = 4 Simplifying x = 4Solution
x = {0, 4}
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