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Simplifying 16x2 + -39.2x + 98 = 0 Reorder the terms: 98 + -39.2x + 16x2 = 0 Solving 98 + -39.2x + 16x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 6.125 + -2.45x + x2 = 0 Move the constant term to the right: Add '-6.125' to each side of the equation. 6.125 + -2.45x + -6.125 + x2 = 0 + -6.125 Reorder the terms: 6.125 + -6.125 + -2.45x + x2 = 0 + -6.125 Combine like terms: 6.125 + -6.125 = 0.000 0.000 + -2.45x + x2 = 0 + -6.125 -2.45x + x2 = 0 + -6.125 Combine like terms: 0 + -6.125 = -6.125 -2.45x + x2 = -6.125 The x term is -2.45x. Take half its coefficient (-1.225). Square it (1.500625) and add it to both sides. Add '1.500625' to each side of the equation. -2.45x + 1.500625 + x2 = -6.125 + 1.500625 Reorder the terms: 1.500625 + -2.45x + x2 = -6.125 + 1.500625 Combine like terms: -6.125 + 1.500625 = -4.624375 1.500625 + -2.45x + x2 = -4.624375 Factor a perfect square on the left side: (x + -1.225)(x + -1.225) = -4.624375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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