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Simplifying -4.9x2 + 49.4x + -354.4387 = 0 Reorder the terms: -354.4387 + 49.4x + -4.9x2 = 0 Solving -354.4387 + 49.4x + -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'. 72.33442857 + -10.08163265x + x2 = 0 Move the constant term to the right: Add '-72.33442857' to each side of the equation. 72.33442857 + -10.08163265x + -72.33442857 + x2 = 0 + -72.33442857 Reorder the terms: 72.33442857 + -72.33442857 + -10.08163265x + x2 = 0 + -72.33442857 Combine like terms: 72.33442857 + -72.33442857 = 0.00000000 0.00000000 + -10.08163265x + x2 = 0 + -72.33442857 -10.08163265x + x2 = 0 + -72.33442857 Combine like terms: 0 + -72.33442857 = -72.33442857 -10.08163265x + x2 = -72.33442857 The x term is -10.08163265x. Take half its coefficient (-5.040816325). Square it (25.40982922) and add it to both sides. Add '25.40982922' to each side of the equation. -10.08163265x + 25.40982922 + x2 = -72.33442857 + 25.40982922 Reorder the terms: 25.40982922 + -10.08163265x + x2 = -72.33442857 + 25.40982922 Combine like terms: -72.33442857 + 25.40982922 = -46.92459935 25.40982922 + -10.08163265x + x2 = -46.92459935 Factor a perfect square on the left side: (x + -5.040816325)(x + -5.040816325) = -46.92459935 Can't calculate square root of the right side. The solution to this equation could not be determined.
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