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Simplifying 2x2 + 14x + -4 = -1x2 + -3x Reorder the terms: -4 + 14x + 2x2 = -1x2 + -3x Reorder the terms: -4 + 14x + 2x2 = -3x + -1x2 Solving -4 + 14x + 2x2 = -3x + -1x2 Solving for variable 'x'. Reorder the terms: -4 + 14x + 3x + 2x2 + x2 = -3x + -1x2 + 3x + x2 Combine like terms: 14x + 3x = 17x -4 + 17x + 2x2 + x2 = -3x + -1x2 + 3x + x2 Combine like terms: 2x2 + x2 = 3x2 -4 + 17x + 3x2 = -3x + -1x2 + 3x + x2 Reorder the terms: -4 + 17x + 3x2 = -3x + 3x + -1x2 + x2 Combine like terms: -3x + 3x = 0 -4 + 17x + 3x2 = 0 + -1x2 + x2 -4 + 17x + 3x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 -4 + 17x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1.333333333 + 5.666666667x + x2 = 0 Move the constant term to the right: Add '1.333333333' to each side of the equation. -1.333333333 + 5.666666667x + 1.333333333 + x2 = 0 + 1.333333333 Reorder the terms: -1.333333333 + 1.333333333 + 5.666666667x + x2 = 0 + 1.333333333 Combine like terms: -1.333333333 + 1.333333333 = 0.000000000 0.000000000 + 5.666666667x + x2 = 0 + 1.333333333 5.666666667x + x2 = 0 + 1.333333333 Combine like terms: 0 + 1.333333333 = 1.333333333 5.666666667x + x2 = 1.333333333 The x term is 5.666666667x. Take half its coefficient (2.833333334). Square it (8.027777782) and add it to both sides. Add '8.027777782' to each side of the equation. 5.666666667x + 8.027777782 + x2 = 1.333333333 + 8.027777782 Reorder the terms: 8.027777782 + 5.666666667x + x2 = 1.333333333 + 8.027777782 Combine like terms: 1.333333333 + 8.027777782 = 9.361111115 8.027777782 + 5.666666667x + x2 = 9.361111115 Factor a perfect square on the left side: (x + 2.833333334)(x + 2.833333334) = 9.361111115 Calculate the square root of the right side: 3.059593292 Break this problem into two subproblems by setting (x + 2.833333334) equal to 3.059593292 and -3.059593292.Subproblem 1
x + 2.833333334 = 3.059593292 Simplifying x + 2.833333334 = 3.059593292 Reorder the terms: 2.833333334 + x = 3.059593292 Solving 2.833333334 + x = 3.059593292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.833333334' to each side of the equation. 2.833333334 + -2.833333334 + x = 3.059593292 + -2.833333334 Combine like terms: 2.833333334 + -2.833333334 = 0.000000000 0.000000000 + x = 3.059593292 + -2.833333334 x = 3.059593292 + -2.833333334 Combine like terms: 3.059593292 + -2.833333334 = 0.226259958 x = 0.226259958 Simplifying x = 0.226259958Subproblem 2
x + 2.833333334 = -3.059593292 Simplifying x + 2.833333334 = -3.059593292 Reorder the terms: 2.833333334 + x = -3.059593292 Solving 2.833333334 + x = -3.059593292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.833333334' to each side of the equation. 2.833333334 + -2.833333334 + x = -3.059593292 + -2.833333334 Combine like terms: 2.833333334 + -2.833333334 = 0.000000000 0.000000000 + x = -3.059593292 + -2.833333334 x = -3.059593292 + -2.833333334 Combine like terms: -3.059593292 + -2.833333334 = -5.892926626 x = -5.892926626 Simplifying x = -5.892926626Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.226259958, -5.892926626}
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