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Simplifying -0.006x2 + 0.101x + -0.193 = 0 Reorder the terms: -0.193 + 0.101x + -0.006x2 = 0 Solving -0.193 + 0.101x + -0.006x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -0.006 the coefficient of the squared term: Divide each side by '-0.006'. 32.16666667 + -16.83333333x + x2 = 0 Move the constant term to the right: Add '-32.16666667' to each side of the equation. 32.16666667 + -16.83333333x + -32.16666667 + x2 = 0 + -32.16666667 Reorder the terms: 32.16666667 + -32.16666667 + -16.83333333x + x2 = 0 + -32.16666667 Combine like terms: 32.16666667 + -32.16666667 = 0.00000000 0.00000000 + -16.83333333x + x2 = 0 + -32.16666667 -16.83333333x + x2 = 0 + -32.16666667 Combine like terms: 0 + -32.16666667 = -32.16666667 -16.83333333x + x2 = -32.16666667 The x term is -16.83333333x. Take half its coefficient (-8.416666665). Square it (70.84027775) and add it to both sides. Add '70.84027775' to each side of the equation. -16.83333333x + 70.84027775 + x2 = -32.16666667 + 70.84027775 Reorder the terms: 70.84027775 + -16.83333333x + x2 = -32.16666667 + 70.84027775 Combine like terms: -32.16666667 + 70.84027775 = 38.67361108 70.84027775 + -16.83333333x + x2 = 38.67361108 Factor a perfect square on the left side: (x + -8.416666665)(x + -8.416666665) = 38.67361108 Calculate the square root of the right side: 6.218811066 Break this problem into two subproblems by setting (x + -8.416666665) equal to 6.218811066 and -6.218811066.Subproblem 1
x + -8.416666665 = 6.218811066 Simplifying x + -8.416666665 = 6.218811066 Reorder the terms: -8.416666665 + x = 6.218811066 Solving -8.416666665 + x = 6.218811066 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.416666665' to each side of the equation. -8.416666665 + 8.416666665 + x = 6.218811066 + 8.416666665 Combine like terms: -8.416666665 + 8.416666665 = 0.000000000 0.000000000 + x = 6.218811066 + 8.416666665 x = 6.218811066 + 8.416666665 Combine like terms: 6.218811066 + 8.416666665 = 14.635477731 x = 14.635477731 Simplifying x = 14.635477731Subproblem 2
x + -8.416666665 = -6.218811066 Simplifying x + -8.416666665 = -6.218811066 Reorder the terms: -8.416666665 + x = -6.218811066 Solving -8.416666665 + x = -6.218811066 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.416666665' to each side of the equation. -8.416666665 + 8.416666665 + x = -6.218811066 + 8.416666665 Combine like terms: -8.416666665 + 8.416666665 = 0.000000000 0.000000000 + x = -6.218811066 + 8.416666665 x = -6.218811066 + 8.416666665 Combine like terms: -6.218811066 + 8.416666665 = 2.197855599 x = 2.197855599 Simplifying x = 2.197855599Solution
The solution to the problem is based on the solutions from the subproblems. x = {14.635477731, 2.197855599}
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