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Simplifying 9X2 + -14X + 16 = 0 Reorder the terms: 16 + -14X + 9X2 = 0 Solving 16 + -14X + 9X2 = 0 Solving for variable 'X'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 1.777777778 + -1.555555556X + X2 = 0 Move the constant term to the right: Add '-1.777777778' to each side of the equation. 1.777777778 + -1.555555556X + -1.777777778 + X2 = 0 + -1.777777778 Reorder the terms: 1.777777778 + -1.777777778 + -1.555555556X + X2 = 0 + -1.777777778 Combine like terms: 1.777777778 + -1.777777778 = 0.000000000 0.000000000 + -1.555555556X + X2 = 0 + -1.777777778 -1.555555556X + X2 = 0 + -1.777777778 Combine like terms: 0 + -1.777777778 = -1.777777778 -1.555555556X + X2 = -1.777777778 The X term is -1.555555556X. Take half its coefficient (-0.777777778). Square it (0.6049382720) and add it to both sides. Add '0.6049382720' to each side of the equation. -1.555555556X + 0.6049382720 + X2 = -1.777777778 + 0.6049382720 Reorder the terms: 0.6049382720 + -1.555555556X + X2 = -1.777777778 + 0.6049382720 Combine like terms: -1.777777778 + 0.6049382720 = -1.172839506 0.6049382720 + -1.555555556X + X2 = -1.172839506 Factor a perfect square on the left side: (X + -0.777777778)(X + -0.777777778) = -1.172839506 Can't calculate square root of the right side. The solution to this equation could not be determined.
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