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Simplifying 0 = -16t2 + -8t + 5 Reorder the terms: 0 = 5 + -8t + -16t2 Solving 0 = 5 + -8t + -16t2 Solving for variable 't'. Combine like terms: 0 + -5 = -5 -5 + 8t + 16t2 = 5 + -8t + -16t2 + -5 + 8t + 16t2 Reorder the terms: -5 + 8t + 16t2 = 5 + -5 + -8t + 8t + -16t2 + 16t2 Combine like terms: 5 + -5 = 0 -5 + 8t + 16t2 = 0 + -8t + 8t + -16t2 + 16t2 -5 + 8t + 16t2 = -8t + 8t + -16t2 + 16t2 Combine like terms: -8t + 8t = 0 -5 + 8t + 16t2 = 0 + -16t2 + 16t2 -5 + 8t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -5 + 8t + 16t2 = 0 Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. -0.3125 + 0.5t + t2 = 0 Move the constant term to the right: Add '0.3125' to each side of the equation. -0.3125 + 0.5t + 0.3125 + t2 = 0 + 0.3125 Reorder the terms: -0.3125 + 0.3125 + 0.5t + t2 = 0 + 0.3125 Combine like terms: -0.3125 + 0.3125 = 0.0000 0.0000 + 0.5t + t2 = 0 + 0.3125 0.5t + t2 = 0 + 0.3125 Combine like terms: 0 + 0.3125 = 0.3125 0.5t + t2 = 0.3125 The t term is 0.5t. Take half its coefficient (0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. 0.5t + 0.0625 + t2 = 0.3125 + 0.0625 Reorder the terms: 0.0625 + 0.5t + t2 = 0.3125 + 0.0625 Combine like terms: 0.3125 + 0.0625 = 0.375 0.0625 + 0.5t + t2 = 0.375 Factor a perfect square on the left side: (t + 0.25)(t + 0.25) = 0.375 Calculate the square root of the right side: 0.612372436 Break this problem into two subproblems by setting (t + 0.25) equal to 0.612372436 and -0.612372436.Subproblem 1
t + 0.25 = 0.612372436 Simplifying t + 0.25 = 0.612372436 Reorder the terms: 0.25 + t = 0.612372436 Solving 0.25 + t = 0.612372436 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + t = 0.612372436 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + t = 0.612372436 + -0.25 t = 0.612372436 + -0.25 Combine like terms: 0.612372436 + -0.25 = 0.362372436 t = 0.362372436 Simplifying t = 0.362372436Subproblem 2
t + 0.25 = -0.612372436 Simplifying t + 0.25 = -0.612372436 Reorder the terms: 0.25 + t = -0.612372436 Solving 0.25 + t = -0.612372436 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + t = -0.612372436 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + t = -0.612372436 + -0.25 t = -0.612372436 + -0.25 Combine like terms: -0.612372436 + -0.25 = -0.862372436 t = -0.862372436 Simplifying t = -0.862372436Solution
The solution to the problem is based on the solutions from the subproblems. t = {0.362372436, -0.862372436}
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