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Simplifying (t) = (-16t2 + 32t + 64) t = (-16t2 + 32t + 64) Reorder the terms: t = (64 + 32t + -16t2) Remove parenthesis around (64 + 32t + -16t2) t = 64 + 32t + -16t2 Solving t = 64 + 32t + -16t2 Solving for variable 't'. Reorder the terms: -64 + t + -32t + 16t2 = 64 + 32t + -16t2 + -64 + -32t + 16t2 Combine like terms: t + -32t = -31t -64 + -31t + 16t2 = 64 + 32t + -16t2 + -64 + -32t + 16t2 Reorder the terms: -64 + -31t + 16t2 = 64 + -64 + 32t + -32t + -16t2 + 16t2 Combine like terms: 64 + -64 = 0 -64 + -31t + 16t2 = 0 + 32t + -32t + -16t2 + 16t2 -64 + -31t + 16t2 = 32t + -32t + -16t2 + 16t2 Combine like terms: 32t + -32t = 0 -64 + -31t + 16t2 = 0 + -16t2 + 16t2 -64 + -31t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -64 + -31t + 16t2 = 0 Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. -4 + -1.9375t + t2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + -1.9375t + 4 + t2 = 0 + 4 Reorder the terms: -4 + 4 + -1.9375t + t2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1.9375t + t2 = 0 + 4 -1.9375t + t2 = 0 + 4 Combine like terms: 0 + 4 = 4 -1.9375t + t2 = 4 The t term is -1.9375t. Take half its coefficient (-0.96875). Square it (0.9384765625) and add it to both sides. Add '0.9384765625' to each side of the equation. -1.9375t + 0.9384765625 + t2 = 4 + 0.9384765625 Reorder the terms: 0.9384765625 + -1.9375t + t2 = 4 + 0.9384765625 Combine like terms: 4 + 0.9384765625 = 4.9384765625 0.9384765625 + -1.9375t + t2 = 4.9384765625 Factor a perfect square on the left side: (t + -0.96875)(t + -0.96875) = 4.9384765625 Calculate the square root of the right side: 2.222268337 Break this problem into two subproblems by setting (t + -0.96875) equal to 2.222268337 and -2.222268337.Subproblem 1
t + -0.96875 = 2.222268337 Simplifying t + -0.96875 = 2.222268337 Reorder the terms: -0.96875 + t = 2.222268337 Solving -0.96875 + t = 2.222268337 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.96875' to each side of the equation. -0.96875 + 0.96875 + t = 2.222268337 + 0.96875 Combine like terms: -0.96875 + 0.96875 = 0.00000 0.00000 + t = 2.222268337 + 0.96875 t = 2.222268337 + 0.96875 Combine like terms: 2.222268337 + 0.96875 = 3.191018337 t = 3.191018337 Simplifying t = 3.191018337Subproblem 2
t + -0.96875 = -2.222268337 Simplifying t + -0.96875 = -2.222268337 Reorder the terms: -0.96875 + t = -2.222268337 Solving -0.96875 + t = -2.222268337 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.96875' to each side of the equation. -0.96875 + 0.96875 + t = -2.222268337 + 0.96875 Combine like terms: -0.96875 + 0.96875 = 0.00000 0.00000 + t = -2.222268337 + 0.96875 t = -2.222268337 + 0.96875 Combine like terms: -2.222268337 + 0.96875 = -1.253518337 t = -1.253518337 Simplifying t = -1.253518337Solution
The solution to the problem is based on the solutions from the subproblems. t = {3.191018337, -1.253518337}
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