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Simplifying 4.9x2 + -38x + 240 = 0 Reorder the terms: 240 + -38x + 4.9x2 = 0 Solving 240 + -38x + 4.9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4.9 the coefficient of the squared term: Divide each side by '4.9'. 48.97959184 + -7.755102041x + x2 = 0 Move the constant term to the right: Add '-48.97959184' to each side of the equation. 48.97959184 + -7.755102041x + -48.97959184 + x2 = 0 + -48.97959184 Reorder the terms: 48.97959184 + -48.97959184 + -7.755102041x + x2 = 0 + -48.97959184 Combine like terms: 48.97959184 + -48.97959184 = 0.00000000 0.00000000 + -7.755102041x + x2 = 0 + -48.97959184 -7.755102041x + x2 = 0 + -48.97959184 Combine like terms: 0 + -48.97959184 = -48.97959184 -7.755102041x + x2 = -48.97959184 The x term is -7.755102041x. Take half its coefficient (-3.877551021). Square it (15.03540192) and add it to both sides. Add '15.03540192' to each side of the equation. -7.755102041x + 15.03540192 + x2 = -48.97959184 + 15.03540192 Reorder the terms: 15.03540192 + -7.755102041x + x2 = -48.97959184 + 15.03540192 Combine like terms: -48.97959184 + 15.03540192 = -33.94418992 15.03540192 + -7.755102041x + x2 = -33.94418992 Factor a perfect square on the left side: (x + -3.877551021)(x + -3.877551021) = -33.94418992 Can't calculate square root of the right side. The solution to this equation could not be determined.
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