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Simplifying 70x2 + -67x + 72 = 0 Reorder the terms: 72 + -67x + 70x2 = 0 Solving 72 + -67x + 70x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 70 the coefficient of the squared term: Divide each side by '70'. 1.028571429 + -0.9571428571x + x2 = 0 Move the constant term to the right: Add '-1.028571429' to each side of the equation. 1.028571429 + -0.9571428571x + -1.028571429 + x2 = 0 + -1.028571429 Reorder the terms: 1.028571429 + -1.028571429 + -0.9571428571x + x2 = 0 + -1.028571429 Combine like terms: 1.028571429 + -1.028571429 = 0.000000000 0.000000000 + -0.9571428571x + x2 = 0 + -1.028571429 -0.9571428571x + x2 = 0 + -1.028571429 Combine like terms: 0 + -1.028571429 = -1.028571429 -0.9571428571x + x2 = -1.028571429 The x term is -0.9571428571x. Take half its coefficient (-0.4785714286). Square it (0.2290306123) and add it to both sides. Add '0.2290306123' to each side of the equation. -0.9571428571x + 0.2290306123 + x2 = -1.028571429 + 0.2290306123 Reorder the terms: 0.2290306123 + -0.9571428571x + x2 = -1.028571429 + 0.2290306123 Combine like terms: -1.028571429 + 0.2290306123 = -0.7995408167 0.2290306123 + -0.9571428571x + x2 = -0.7995408167 Factor a perfect square on the left side: (x + -0.4785714286)(x + -0.4785714286) = -0.7995408167 Can't calculate square root of the right side. The solution to this equation could not be determined.
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