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Simplifying 6(x + 8) * x = 7 Reorder the terms: 6(8 + x) * x = 7 Reorder the terms for easier multiplication: 6x(8 + x) = 7 (8 * 6x + x * 6x) = 7 (48x + 6x2) = 7 Solving 48x + 6x2 = 7 Solving for variable 'x'. Reorder the terms: -7 + 48x + 6x2 = 7 + -7 Combine like terms: 7 + -7 = 0 -7 + 48x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -1.166666667 + 8x + x2 = 0 Move the constant term to the right: Add '1.166666667' to each side of the equation. -1.166666667 + 8x + 1.166666667 + x2 = 0 + 1.166666667 Reorder the terms: -1.166666667 + 1.166666667 + 8x + x2 = 0 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + 8x + x2 = 0 + 1.166666667 8x + x2 = 0 + 1.166666667 Combine like terms: 0 + 1.166666667 = 1.166666667 8x + x2 = 1.166666667 The x term is 8x. Take half its coefficient (4). Square it (16) and add it to both sides. Add '16' to each side of the equation. 8x + 16 + x2 = 1.166666667 + 16 Reorder the terms: 16 + 8x + x2 = 1.166666667 + 16 Combine like terms: 1.166666667 + 16 = 17.166666667 16 + 8x + x2 = 17.166666667 Factor a perfect square on the left side: (x + 4)(x + 4) = 17.166666667 Calculate the square root of the right side: 4.143267632 Break this problem into two subproblems by setting (x + 4) equal to 4.143267632 and -4.143267632.Subproblem 1
x + 4 = 4.143267632 Simplifying x + 4 = 4.143267632 Reorder the terms: 4 + x = 4.143267632 Solving 4 + x = 4.143267632 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 4.143267632 + -4 Combine like terms: 4 + -4 = 0 0 + x = 4.143267632 + -4 x = 4.143267632 + -4 Combine like terms: 4.143267632 + -4 = 0.143267632 x = 0.143267632 Simplifying x = 0.143267632Subproblem 2
x + 4 = -4.143267632 Simplifying x + 4 = -4.143267632 Reorder the terms: 4 + x = -4.143267632 Solving 4 + x = -4.143267632 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -4.143267632 + -4 Combine like terms: 4 + -4 = 0 0 + x = -4.143267632 + -4 x = -4.143267632 + -4 Combine like terms: -4.143267632 + -4 = -8.143267632 x = -8.143267632 Simplifying x = -8.143267632Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.143267632, -8.143267632}
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