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Simplifying x + (x + 2) + (3x(x + 2)) = 96 Reorder the terms: x + (2 + x) + (3x(x + 2)) = 96 Remove parenthesis around (2 + x) x + 2 + x + (3x(x + 2)) = 96 Reorder the terms: x + 2 + x + (3x(2 + x)) = 96 x + 2 + x + ((2 * 3x + x * 3x)) = 96 x + 2 + x + ((6x + 3x2)) = 96 x + 2 + x + (6x + 3x2) = 96 Remove parenthesis around (6x + 3x2) x + 2 + x + 6x + 3x2 = 96 Reorder the terms: 2 + x + x + 6x + 3x2 = 96 Combine like terms: x + x = 2x 2 + 2x + 6x + 3x2 = 96 Combine like terms: 2x + 6x = 8x 2 + 8x + 3x2 = 96 Solving 2 + 8x + 3x2 = 96 Solving for variable 'x'. Reorder the terms: 2 + -96 + 8x + 3x2 = 96 + -96 Combine like terms: 2 + -96 = -94 -94 + 8x + 3x2 = 96 + -96 Combine like terms: 96 + -96 = 0 -94 + 8x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -31.33333333 + 2.666666667x + x2 = 0 Move the constant term to the right: Add '31.33333333' to each side of the equation. -31.33333333 + 2.666666667x + 31.33333333 + x2 = 0 + 31.33333333 Reorder the terms: -31.33333333 + 31.33333333 + 2.666666667x + x2 = 0 + 31.33333333 Combine like terms: -31.33333333 + 31.33333333 = 0.00000000 0.00000000 + 2.666666667x + x2 = 0 + 31.33333333 2.666666667x + x2 = 0 + 31.33333333 Combine like terms: 0 + 31.33333333 = 31.33333333 2.666666667x + x2 = 31.33333333 The x term is 2.666666667x. Take half its coefficient (1.333333334). Square it (1.777777780) and add it to both sides. Add '1.777777780' to each side of the equation. 2.666666667x + 1.777777780 + x2 = 31.33333333 + 1.777777780 Reorder the terms: 1.777777780 + 2.666666667x + x2 = 31.33333333 + 1.777777780 Combine like terms: 31.33333333 + 1.777777780 = 33.11111111 1.777777780 + 2.666666667x + x2 = 33.11111111 Factor a perfect square on the left side: (x + 1.333333334)(x + 1.333333334) = 33.11111111 Calculate the square root of the right side: 5.7542255 Break this problem into two subproblems by setting (x + 1.333333334) equal to 5.7542255 and -5.7542255.Subproblem 1
x + 1.333333334 = 5.7542255 Simplifying x + 1.333333334 = 5.7542255 Reorder the terms: 1.333333334 + x = 5.7542255 Solving 1.333333334 + x = 5.7542255 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + x = 5.7542255 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + x = 5.7542255 + -1.333333334 x = 5.7542255 + -1.333333334 Combine like terms: 5.7542255 + -1.333333334 = 4.420892166 x = 4.420892166 Simplifying x = 4.420892166Subproblem 2
x + 1.333333334 = -5.7542255 Simplifying x + 1.333333334 = -5.7542255 Reorder the terms: 1.333333334 + x = -5.7542255 Solving 1.333333334 + x = -5.7542255 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.333333334' to each side of the equation. 1.333333334 + -1.333333334 + x = -5.7542255 + -1.333333334 Combine like terms: 1.333333334 + -1.333333334 = 0.000000000 0.000000000 + x = -5.7542255 + -1.333333334 x = -5.7542255 + -1.333333334 Combine like terms: -5.7542255 + -1.333333334 = -7.087558834 x = -7.087558834 Simplifying x = -7.087558834Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.420892166, -7.087558834}
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