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Simplifying 143x2 + -17280x + 518400 = 0 Reorder the terms: 518400 + -17280x + 143x2 = 0 Solving 518400 + -17280x + 143x2 = 0 Solving for variable 'x'. Factor a trinomial. (720 + -13x)(720 + -11x) = 0Subproblem 1
Set the factor '(720 + -13x)' equal to zero and attempt to solve: Simplifying 720 + -13x = 0 Solving 720 + -13x = 0 Move all terms containing x to the left, all other terms to the right. Add '-720' to each side of the equation. 720 + -720 + -13x = 0 + -720 Combine like terms: 720 + -720 = 0 0 + -13x = 0 + -720 -13x = 0 + -720 Combine like terms: 0 + -720 = -720 -13x = -720 Divide each side by '-13'. x = 55.38461538 Simplifying x = 55.38461538Subproblem 2
Set the factor '(720 + -11x)' equal to zero and attempt to solve: Simplifying 720 + -11x = 0 Solving 720 + -11x = 0 Move all terms containing x to the left, all other terms to the right. Add '-720' to each side of the equation. 720 + -720 + -11x = 0 + -720 Combine like terms: 720 + -720 = 0 0 + -11x = 0 + -720 -11x = 0 + -720 Combine like terms: 0 + -720 = -720 -11x = -720 Divide each side by '-11'. x = 65.45454545 Simplifying x = 65.45454545Solution
x = {55.38461538, 65.45454545}
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