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Simplifying -1x2 + -16x + 10 = 0 Reorder the terms: 10 + -16x + -1x2 = 0 Solving 10 + -16x + -1x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -10 + 16x + x2 = 0 Move the constant term to the right: Add '10' to each side of the equation. -10 + 16x + 10 + x2 = 0 + 10 Reorder the terms: -10 + 10 + 16x + x2 = 0 + 10 Combine like terms: -10 + 10 = 0 0 + 16x + x2 = 0 + 10 16x + x2 = 0 + 10 Combine like terms: 0 + 10 = 10 16x + x2 = 10 The x term is 16x. Take half its coefficient (8). Square it (64) and add it to both sides. Add '64' to each side of the equation. 16x + 64 + x2 = 10 + 64 Reorder the terms: 64 + 16x + x2 = 10 + 64 Combine like terms: 10 + 64 = 74 64 + 16x + x2 = 74 Factor a perfect square on the left side: (x + 8)(x + 8) = 74 Calculate the square root of the right side: 8.602325267 Break this problem into two subproblems by setting (x + 8) equal to 8.602325267 and -8.602325267.Subproblem 1
x + 8 = 8.602325267 Simplifying x + 8 = 8.602325267 Reorder the terms: 8 + x = 8.602325267 Solving 8 + x = 8.602325267 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 8.602325267 + -8 Combine like terms: 8 + -8 = 0 0 + x = 8.602325267 + -8 x = 8.602325267 + -8 Combine like terms: 8.602325267 + -8 = 0.602325267 x = 0.602325267 Simplifying x = 0.602325267Subproblem 2
x + 8 = -8.602325267 Simplifying x + 8 = -8.602325267 Reorder the terms: 8 + x = -8.602325267 Solving 8 + x = -8.602325267 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -8.602325267 + -8 Combine like terms: 8 + -8 = 0 0 + x = -8.602325267 + -8 x = -8.602325267 + -8 Combine like terms: -8.602325267 + -8 = -16.602325267 x = -16.602325267 Simplifying x = -16.602325267Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.602325267, -16.602325267}
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