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Simplifying 4.9t2 + -4t + 75 = 0 Reorder the terms: 75 + -4t + 4.9t2 = 0 Solving 75 + -4t + 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'. 15.30612245 + -0.8163265306t + t2 = 0 Move the constant term to the right: Add '-15.30612245' to each side of the equation. 15.30612245 + -0.8163265306t + -15.30612245 + t2 = 0 + -15.30612245 Reorder the terms: 15.30612245 + -15.30612245 + -0.8163265306t + t2 = 0 + -15.30612245 Combine like terms: 15.30612245 + -15.30612245 = 0.00000000 0.00000000 + -0.8163265306t + t2 = 0 + -15.30612245 -0.8163265306t + t2 = 0 + -15.30612245 Combine like terms: 0 + -15.30612245 = -15.30612245 -0.8163265306t + t2 = -15.30612245 The t term is -0.8163265306t. Take half its coefficient (-0.4081632653). Square it (0.1665972511) and add it to both sides. Add '0.1665972511' to each side of the equation. -0.8163265306t + 0.1665972511 + t2 = -15.30612245 + 0.1665972511 Reorder the terms: 0.1665972511 + -0.8163265306t + t2 = -15.30612245 + 0.1665972511 Combine like terms: -15.30612245 + 0.1665972511 = -15.1395251989 0.1665972511 + -0.8163265306t + t2 = -15.1395251989 Factor a perfect square on the left side: (t + -0.4081632653)(t + -0.4081632653) = -15.1395251989 Can't calculate square root of the right side. The solution to this equation could not be determined.
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