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Simplifying 0 = 3x2 + -23x + 30 Reorder the terms: 0 = 30 + -23x + 3x2 Solving 0 = 30 + -23x + 3x2 Solving for variable 'x'. Combine like terms: 0 + -30 = -30 -30 + 23x + -3x2 = 30 + -23x + 3x2 + -30 + 23x + -3x2 Reorder the terms: -30 + 23x + -3x2 = 30 + -30 + -23x + 23x + 3x2 + -3x2 Combine like terms: 30 + -30 = 0 -30 + 23x + -3x2 = 0 + -23x + 23x + 3x2 + -3x2 -30 + 23x + -3x2 = -23x + 23x + 3x2 + -3x2 Combine like terms: -23x + 23x = 0 -30 + 23x + -3x2 = 0 + 3x2 + -3x2 -30 + 23x + -3x2 = 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 -30 + 23x + -3x2 = 0 Factor a trinomial. (-6 + x)(5 + -3x) = 0Subproblem 1
Set the factor '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 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 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6Subproblem 2
Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 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 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667Solution
x = {6, 1.666666667}
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