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Simplifying x2 + -20x + 57 = 6 Reorder the terms: 57 + -20x + x2 = 6 Solving 57 + -20x + x2 = 6 Solving for variable 'x'. Reorder the terms: 57 + -6 + -20x + x2 = 6 + -6 Combine like terms: 57 + -6 = 51 51 + -20x + x2 = 6 + -6 Combine like terms: 6 + -6 = 0 51 + -20x + x2 = 0 Factor a trinomial. (3 + -1x)(17 + -1x) = 0Subproblem 1
Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3Subproblem 2
Set the factor '(17 + -1x)' equal to zero and attempt to solve: Simplifying 17 + -1x = 0 Solving 17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -1x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -1x = 0 + -17 -1x = 0 + -17 Combine like terms: 0 + -17 = -17 -1x = -17 Divide each side by '-1'. x = 17 Simplifying x = 17Solution
x = {3, 17}
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