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Simplifying 6x2 + 6 + 8x + -2x2 = x2 + x + 10 Reorder the terms: 6 + 8x + 6x2 + -2x2 = x2 + x + 10 Combine like terms: 6x2 + -2x2 = 4x2 6 + 8x + 4x2 = x2 + x + 10 Reorder the terms: 6 + 8x + 4x2 = 10 + x + x2 Solving 6 + 8x + 4x2 = 10 + x + x2 Solving for variable 'x'. Reorder the terms: 6 + -10 + 8x + -1x + 4x2 + -1x2 = 10 + x + x2 + -10 + -1x + -1x2 Combine like terms: 6 + -10 = -4 -4 + 8x + -1x + 4x2 + -1x2 = 10 + x + x2 + -10 + -1x + -1x2 Combine like terms: 8x + -1x = 7x -4 + 7x + 4x2 + -1x2 = 10 + x + x2 + -10 + -1x + -1x2 Combine like terms: 4x2 + -1x2 = 3x2 -4 + 7x + 3x2 = 10 + x + x2 + -10 + -1x + -1x2 Reorder the terms: -4 + 7x + 3x2 = 10 + -10 + x + -1x + x2 + -1x2 Combine like terms: 10 + -10 = 0 -4 + 7x + 3x2 = 0 + x + -1x + x2 + -1x2 -4 + 7x + 3x2 = x + -1x + x2 + -1x2 Combine like terms: x + -1x = 0 -4 + 7x + 3x2 = 0 + x2 + -1x2 -4 + 7x + 3x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -4 + 7x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1.333333333 + 2.333333333x + x2 = 0 Move the constant term to the right: Add '1.333333333' to each side of the equation. -1.333333333 + 2.333333333x + 1.333333333 + x2 = 0 + 1.333333333 Reorder the terms: -1.333333333 + 1.333333333 + 2.333333333x + x2 = 0 + 1.333333333 Combine like terms: -1.333333333 + 1.333333333 = 0.000000000 0.000000000 + 2.333333333x + x2 = 0 + 1.333333333 2.333333333x + x2 = 0 + 1.333333333 Combine like terms: 0 + 1.333333333 = 1.333333333 2.333333333x + x2 = 1.333333333 The x term is 2.333333333x. Take half its coefficient (1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. 2.333333333x + 1.361111112 + x2 = 1.333333333 + 1.361111112 Reorder the terms: 1.361111112 + 2.333333333x + x2 = 1.333333333 + 1.361111112 Combine like terms: 1.333333333 + 1.361111112 = 2.694444445 1.361111112 + 2.333333333x + x2 = 2.694444445 Factor a perfect square on the left side: (x + 1.166666667)(x + 1.166666667) = 2.694444445 Calculate the square root of the right side: 1.6414763 Break this problem into two subproblems by setting (x + 1.166666667) equal to 1.6414763 and -1.6414763.Subproblem 1
x + 1.166666667 = 1.6414763 Simplifying x + 1.166666667 = 1.6414763 Reorder the terms: 1.166666667 + x = 1.6414763 Solving 1.166666667 + x = 1.6414763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = 1.6414763 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = 1.6414763 + -1.166666667 x = 1.6414763 + -1.166666667 Combine like terms: 1.6414763 + -1.166666667 = 0.474809633 x = 0.474809633 Simplifying x = 0.474809633Subproblem 2
x + 1.166666667 = -1.6414763 Simplifying x + 1.166666667 = -1.6414763 Reorder the terms: 1.166666667 + x = -1.6414763 Solving 1.166666667 + x = -1.6414763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.166666667' to each side of the equation. 1.166666667 + -1.166666667 + x = -1.6414763 + -1.166666667 Combine like terms: 1.166666667 + -1.166666667 = 0.000000000 0.000000000 + x = -1.6414763 + -1.166666667 x = -1.6414763 + -1.166666667 Combine like terms: -1.6414763 + -1.166666667 = -2.808142967 x = -2.808142967 Simplifying x = -2.808142967Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.474809633, -2.808142967}
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