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Simplifying 7x2 + -17x + 70 = 0 Reorder the terms: 70 + -17x + 7x2 = 0 Solving 70 + -17x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 10 + -2.428571429x + x2 = 0 Move the constant term to the right: Add '-10' to each side of the equation. 10 + -2.428571429x + -10 + x2 = 0 + -10 Reorder the terms: 10 + -10 + -2.428571429x + x2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -2.428571429x + x2 = 0 + -10 -2.428571429x + x2 = 0 + -10 Combine like terms: 0 + -10 = -10 -2.428571429x + x2 = -10 The x term is -2.428571429x. Take half its coefficient (-1.214285715). Square it (1.474489798) and add it to both sides. Add '1.474489798' to each side of the equation. -2.428571429x + 1.474489798 + x2 = -10 + 1.474489798 Reorder the terms: 1.474489798 + -2.428571429x + x2 = -10 + 1.474489798 Combine like terms: -10 + 1.474489798 = -8.525510202 1.474489798 + -2.428571429x + x2 = -8.525510202 Factor a perfect square on the left side: (x + -1.214285715)(x + -1.214285715) = -8.525510202 Can't calculate square root of the right side. The solution to this equation could not be determined.
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