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Simplifying 17x2 + -51x + -70 = 0 Reorder the terms: -70 + -51x + 17x2 = 0 Solving -70 + -51x + 17x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 17 the coefficient of the squared term: Divide each side by '17'. -4.117647059 + -3x + x2 = 0 Move the constant term to the right: Add '4.117647059' to each side of the equation. -4.117647059 + -3x + 4.117647059 + x2 = 0 + 4.117647059 Reorder the terms: -4.117647059 + 4.117647059 + -3x + x2 = 0 + 4.117647059 Combine like terms: -4.117647059 + 4.117647059 = 0.000000000 0.000000000 + -3x + x2 = 0 + 4.117647059 -3x + x2 = 0 + 4.117647059 Combine like terms: 0 + 4.117647059 = 4.117647059 -3x + x2 = 4.117647059 The x term is -3x. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3x + 2.25 + x2 = 4.117647059 + 2.25 Reorder the terms: 2.25 + -3x + x2 = 4.117647059 + 2.25 Combine like terms: 4.117647059 + 2.25 = 6.367647059 2.25 + -3x + x2 = 6.367647059 Factor a perfect square on the left side: (x + -1.5)(x + -1.5) = 6.367647059 Calculate the square root of the right side: 2.523419715 Break this problem into two subproblems by setting (x + -1.5) equal to 2.523419715 and -2.523419715.Subproblem 1
x + -1.5 = 2.523419715 Simplifying x + -1.5 = 2.523419715 Reorder the terms: -1.5 + x = 2.523419715 Solving -1.5 + x = 2.523419715 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 2.523419715 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 2.523419715 + 1.5 x = 2.523419715 + 1.5 Combine like terms: 2.523419715 + 1.5 = 4.023419715 x = 4.023419715 Simplifying x = 4.023419715Subproblem 2
x + -1.5 = -2.523419715 Simplifying x + -1.5 = -2.523419715 Reorder the terms: -1.5 + x = -2.523419715 Solving -1.5 + x = -2.523419715 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -2.523419715 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -2.523419715 + 1.5 x = -2.523419715 + 1.5 Combine like terms: -2.523419715 + 1.5 = -1.023419715 x = -1.023419715 Simplifying x = -1.023419715Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.023419715, -1.023419715}
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