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Simplifying 5x2 = 72 + 9x Solving 5x2 = 72 + 9x Solving for variable 'x'. Reorder the terms: -72 + -9x + 5x2 = 72 + 9x + -72 + -9x Reorder the terms: -72 + -9x + 5x2 = 72 + -72 + 9x + -9x Combine like terms: 72 + -72 = 0 -72 + -9x + 5x2 = 0 + 9x + -9x -72 + -9x + 5x2 = 9x + -9x Combine like terms: 9x + -9x = 0 -72 + -9x + 5x2 = 0 Factor a trinomial. (-3 + -1x)(24 + -5x) = 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 '(24 + -5x)' equal to zero and attempt to solve: Simplifying 24 + -5x = 0 Solving 24 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-24' to each side of the equation. 24 + -24 + -5x = 0 + -24 Combine like terms: 24 + -24 = 0 0 + -5x = 0 + -24 -5x = 0 + -24 Combine like terms: 0 + -24 = -24 -5x = -24 Divide each side by '-5'. x = 4.8 Simplifying x = 4.8Solution
x = {-3, 4.8}
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