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Simplifying 4.9t2 + 5.5t + 4 = 0 Reorder the terms: 4 + 5.5t + 4.9t2 = 0 Solving 4 + 5.5t + 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'. 0.8163265306 + 1.12244898t + t2 = 0 Move the constant term to the right: Add '-0.8163265306' to each side of the equation. 0.8163265306 + 1.12244898t + -0.8163265306 + t2 = 0 + -0.8163265306 Reorder the terms: 0.8163265306 + -0.8163265306 + 1.12244898t + t2 = 0 + -0.8163265306 Combine like terms: 0.8163265306 + -0.8163265306 = 0.0000000000 0.0000000000 + 1.12244898t + t2 = 0 + -0.8163265306 1.12244898t + t2 = 0 + -0.8163265306 Combine like terms: 0 + -0.8163265306 = -0.8163265306 1.12244898t + t2 = -0.8163265306 The t term is 1.12244898t. Take half its coefficient (0.56122449). Square it (0.3149729282) and add it to both sides. Add '0.3149729282' to each side of the equation. 1.12244898t + 0.3149729282 + t2 = -0.8163265306 + 0.3149729282 Reorder the terms: 0.3149729282 + 1.12244898t + t2 = -0.8163265306 + 0.3149729282 Combine like terms: -0.8163265306 + 0.3149729282 = -0.5013536024 0.3149729282 + 1.12244898t + t2 = -0.5013536024 Factor a perfect square on the left side: (t + 0.56122449)(t + 0.56122449) = -0.5013536024 Can't calculate square root of the right side. The solution to this equation could not be determined.
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