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Simplifying 3x2 + -35x + 74 = 0 Reorder the terms: 74 + -35x + 3x2 = 0 Solving 74 + -35x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 24.66666667 + -11.66666667x + x2 = 0 Move the constant term to the right: Add '-24.66666667' to each side of the equation. 24.66666667 + -11.66666667x + -24.66666667 + x2 = 0 + -24.66666667 Reorder the terms: 24.66666667 + -24.66666667 + -11.66666667x + x2 = 0 + -24.66666667 Combine like terms: 24.66666667 + -24.66666667 = 0.00000000 0.00000000 + -11.66666667x + x2 = 0 + -24.66666667 -11.66666667x + x2 = 0 + -24.66666667 Combine like terms: 0 + -24.66666667 = -24.66666667 -11.66666667x + x2 = -24.66666667 The x term is -11.66666667x. Take half its coefficient (-5.833333335). Square it (34.02777780) and add it to both sides. Add '34.02777780' to each side of the equation. -11.66666667x + 34.02777780 + x2 = -24.66666667 + 34.02777780 Reorder the terms: 34.02777780 + -11.66666667x + x2 = -24.66666667 + 34.02777780 Combine like terms: -24.66666667 + 34.02777780 = 9.36111113 34.02777780 + -11.66666667x + x2 = 9.36111113 Factor a perfect square on the left side: (x + -5.833333335)(x + -5.833333335) = 9.36111113 Calculate the square root of the right side: 3.059593295 Break this problem into two subproblems by setting (x + -5.833333335) equal to 3.059593295 and -3.059593295.Subproblem 1
x + -5.833333335 = 3.059593295 Simplifying x + -5.833333335 = 3.059593295 Reorder the terms: -5.833333335 + x = 3.059593295 Solving -5.833333335 + x = 3.059593295 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.833333335' to each side of the equation. -5.833333335 + 5.833333335 + x = 3.059593295 + 5.833333335 Combine like terms: -5.833333335 + 5.833333335 = 0.000000000 0.000000000 + x = 3.059593295 + 5.833333335 x = 3.059593295 + 5.833333335 Combine like terms: 3.059593295 + 5.833333335 = 8.89292663 x = 8.89292663 Simplifying x = 8.89292663Subproblem 2
x + -5.833333335 = -3.059593295 Simplifying x + -5.833333335 = -3.059593295 Reorder the terms: -5.833333335 + x = -3.059593295 Solving -5.833333335 + x = -3.059593295 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.833333335' to each side of the equation. -5.833333335 + 5.833333335 + x = -3.059593295 + 5.833333335 Combine like terms: -5.833333335 + 5.833333335 = 0.000000000 0.000000000 + x = -3.059593295 + 5.833333335 x = -3.059593295 + 5.833333335 Combine like terms: -3.059593295 + 5.833333335 = 2.77374004 x = 2.77374004 Simplifying x = 2.77374004Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.89292663, 2.77374004}
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