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Simplifying -4.9t2 + -9.8t + -73.5 = 0 Reorder the terms: -73.5 + -9.8t + -4.9t2 = 0 Solving -73.5 + -9.8t + -4.9t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by -4.9 the coefficient of the squared term: Divide each side by '-4.9'. 15 + 2t + t2 = 0 Move the constant term to the right: Add '-15' to each side of the equation. 15 + 2t + -15 + t2 = 0 + -15 Reorder the terms: 15 + -15 + 2t + t2 = 0 + -15 Combine like terms: 15 + -15 = 0 0 + 2t + t2 = 0 + -15 2t + t2 = 0 + -15 Combine like terms: 0 + -15 = -15 2t + t2 = -15 The t term is 2t. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2t + 1 + t2 = -15 + 1 Reorder the terms: 1 + 2t + t2 = -15 + 1 Combine like terms: -15 + 1 = -14 1 + 2t + t2 = -14 Factor a perfect square on the left side: (t + 1)(t + 1) = -14 Can't calculate square root of the right side. The solution to this equation could not be determined.
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