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Simplifying 192 = x(x + 2) * 4 Reorder the terms: 192 = x(2 + x) * 4 Reorder the terms for easier multiplication: 192 = 4x(2 + x) 192 = (2 * 4x + x * 4x) 192 = (8x + 4x2) Solving 192 = 8x + 4x2 Solving for variable 'x'. Reorder the terms: 192 + -8x + -4x2 = 8x + -8x + 4x2 + -4x2 Combine like terms: 8x + -8x = 0 192 + -8x + -4x2 = 0 + 4x2 + -4x2 192 + -8x + -4x2 = 4x2 + -4x2 Combine like terms: 4x2 + -4x2 = 0 192 + -8x + -4x2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(48 + -2x + -1x2) = 0 Factor a trinomial. 4((6 + -1x)(8 + x)) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 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 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6Subproblem 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 = -8Solution
x = {6, -8}
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