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Simplifying 3x2 + -35x + 76 = 0 Reorder the terms: 76 + -35x + 3x2 = 0 Solving 76 + -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'. 25.33333333 + -11.66666667x + x2 = 0 Move the constant term to the right: Add '-25.33333333' to each side of the equation. 25.33333333 + -11.66666667x + -25.33333333 + x2 = 0 + -25.33333333 Reorder the terms: 25.33333333 + -25.33333333 + -11.66666667x + x2 = 0 + -25.33333333 Combine like terms: 25.33333333 + -25.33333333 = 0.00000000 0.00000000 + -11.66666667x + x2 = 0 + -25.33333333 -11.66666667x + x2 = 0 + -25.33333333 Combine like terms: 0 + -25.33333333 = -25.33333333 -11.66666667x + x2 = -25.33333333 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 = -25.33333333 + 34.02777780 Reorder the terms: 34.02777780 + -11.66666667x + x2 = -25.33333333 + 34.02777780 Combine like terms: -25.33333333 + 34.02777780 = 8.69444447 34.02777780 + -11.66666667x + x2 = 8.69444447 Factor a perfect square on the left side: (x + -5.833333335)(x + -5.833333335) = 8.69444447 Calculate the square root of the right side: 2.94863434 Break this problem into two subproblems by setting (x + -5.833333335) equal to 2.94863434 and -2.94863434.Subproblem 1
x + -5.833333335 = 2.94863434 Simplifying x + -5.833333335 = 2.94863434 Reorder the terms: -5.833333335 + x = 2.94863434 Solving -5.833333335 + x = 2.94863434 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 = 2.94863434 + 5.833333335 Combine like terms: -5.833333335 + 5.833333335 = 0.000000000 0.000000000 + x = 2.94863434 + 5.833333335 x = 2.94863434 + 5.833333335 Combine like terms: 2.94863434 + 5.833333335 = 8.781967675 x = 8.781967675 Simplifying x = 8.781967675Subproblem 2
x + -5.833333335 = -2.94863434 Simplifying x + -5.833333335 = -2.94863434 Reorder the terms: -5.833333335 + x = -2.94863434 Solving -5.833333335 + x = -2.94863434 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 = -2.94863434 + 5.833333335 Combine like terms: -5.833333335 + 5.833333335 = 0.000000000 0.000000000 + x = -2.94863434 + 5.833333335 x = -2.94863434 + 5.833333335 Combine like terms: -2.94863434 + 5.833333335 = 2.884698995 x = 2.884698995 Simplifying x = 2.884698995Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.781967675, 2.884698995}
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