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Simplifying 240x2 + -2000x + -20000 = 0 Reorder the terms: -20000 + -2000x + 240x2 = 0 Solving -20000 + -2000x + 240x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '80'. 80(-250 + -25x + 3x2) = 0 Ignore the factor 80.Subproblem 1
Set the factor '(-250 + -25x + 3x2)' equal to zero and attempt to solve: Simplifying -250 + -25x + 3x2 = 0 Solving -250 + -25x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -83.33333333 + -8.333333333x + x2 = 0 Move the constant term to the right: Add '83.33333333' to each side of the equation. -83.33333333 + -8.333333333x + 83.33333333 + x2 = 0 + 83.33333333 Reorder the terms: -83.33333333 + 83.33333333 + -8.333333333x + x2 = 0 + 83.33333333 Combine like terms: -83.33333333 + 83.33333333 = 0.00000000 0.00000000 + -8.333333333x + x2 = 0 + 83.33333333 -8.333333333x + x2 = 0 + 83.33333333 Combine like terms: 0 + 83.33333333 = 83.33333333 -8.333333333x + x2 = 83.33333333 The x term is -8.333333333x. Take half its coefficient (-4.166666667). Square it (17.36111111) and add it to both sides. Add '17.36111111' to each side of the equation. -8.333333333x + 17.36111111 + x2 = 83.33333333 + 17.36111111 Reorder the terms: 17.36111111 + -8.333333333x + x2 = 83.33333333 + 17.36111111 Combine like terms: 83.33333333 + 17.36111111 = 100.69444444 17.36111111 + -8.333333333x + x2 = 100.69444444 Factor a perfect square on the left side: (x + -4.166666667)(x + -4.166666667) = 100.69444444 Calculate the square root of the right side: 10.034662149 Break this problem into two subproblems by setting (x + -4.166666667) equal to 10.034662149 and -10.034662149.Subproblem 1
x + -4.166666667 = 10.034662149 Simplifying x + -4.166666667 = 10.034662149 Reorder the terms: -4.166666667 + x = 10.034662149 Solving -4.166666667 + x = 10.034662149 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.166666667' to each side of the equation. -4.166666667 + 4.166666667 + x = 10.034662149 + 4.166666667 Combine like terms: -4.166666667 + 4.166666667 = 0.000000000 0.000000000 + x = 10.034662149 + 4.166666667 x = 10.034662149 + 4.166666667 Combine like terms: 10.034662149 + 4.166666667 = 14.201328816 x = 14.201328816 Simplifying x = 14.201328816Subproblem 2
x + -4.166666667 = -10.034662149 Simplifying x + -4.166666667 = -10.034662149 Reorder the terms: -4.166666667 + x = -10.034662149 Solving -4.166666667 + x = -10.034662149 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.166666667' to each side of the equation. -4.166666667 + 4.166666667 + x = -10.034662149 + 4.166666667 Combine like terms: -4.166666667 + 4.166666667 = 0.000000000 0.000000000 + x = -10.034662149 + 4.166666667 x = -10.034662149 + 4.166666667 Combine like terms: -10.034662149 + 4.166666667 = -5.867995482 x = -5.867995482 Simplifying x = -5.867995482Solution
The solution to the problem is based on the solutions from the subproblems. x = {14.201328816, -5.867995482}Solution
x = {14.201328816, -5.867995482}
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