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Simplifying 7m2 + -18m + 18 = 0 Reorder the terms: 18 + -18m + 7m2 = 0 Solving 18 + -18m + 7m2 = 0 Solving for variable 'm'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 2.571428571 + -2.571428571m + m2 = 0 Move the constant term to the right: Add '-2.571428571' to each side of the equation. 2.571428571 + -2.571428571m + -2.571428571 + m2 = 0 + -2.571428571 Reorder the terms: 2.571428571 + -2.571428571 + -2.571428571m + m2 = 0 + -2.571428571 Combine like terms: 2.571428571 + -2.571428571 = 0.000000000 0.000000000 + -2.571428571m + m2 = 0 + -2.571428571 -2.571428571m + m2 = 0 + -2.571428571 Combine like terms: 0 + -2.571428571 = -2.571428571 -2.571428571m + m2 = -2.571428571 The m term is -2.571428571m. Take half its coefficient (-1.285714286). Square it (1.653061225) and add it to both sides. Add '1.653061225' to each side of the equation. -2.571428571m + 1.653061225 + m2 = -2.571428571 + 1.653061225 Reorder the terms: 1.653061225 + -2.571428571m + m2 = -2.571428571 + 1.653061225 Combine like terms: -2.571428571 + 1.653061225 = -0.918367346 1.653061225 + -2.571428571m + m2 = -0.918367346 Factor a perfect square on the left side: (m + -1.285714286)(m + -1.285714286) = -0.918367346 Can't calculate square root of the right side. The solution to this equation could not be determined.
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