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Simplifying 25t = -16t2 + 30 Reorder the terms: 25t = 30 + -16t2 Solving 25t = 30 + -16t2 Solving for variable 't'. Reorder the terms: -30 + 25t + 16t2 = 30 + -16t2 + -30 + 16t2 Reorder the terms: -30 + 25t + 16t2 = 30 + -30 + -16t2 + 16t2 Combine like terms: 30 + -30 = 0 -30 + 25t + 16t2 = 0 + -16t2 + 16t2 -30 + 25t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -30 + 25t + 16t2 = 0 Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. -1.875 + 1.5625t + t2 = 0 Move the constant term to the right: Add '1.875' to each side of the equation. -1.875 + 1.5625t + 1.875 + t2 = 0 + 1.875 Reorder the terms: -1.875 + 1.875 + 1.5625t + t2 = 0 + 1.875 Combine like terms: -1.875 + 1.875 = 0.000 0.000 + 1.5625t + t2 = 0 + 1.875 1.5625t + t2 = 0 + 1.875 Combine like terms: 0 + 1.875 = 1.875 1.5625t + t2 = 1.875 The t term is 1.5625t. Take half its coefficient (0.78125). Square it (0.6103515625) and add it to both sides. Add '0.6103515625' to each side of the equation. 1.5625t + 0.6103515625 + t2 = 1.875 + 0.6103515625 Reorder the terms: 0.6103515625 + 1.5625t + t2 = 1.875 + 0.6103515625 Combine like terms: 1.875 + 0.6103515625 = 2.4853515625 0.6103515625 + 1.5625t + t2 = 2.4853515625 Factor a perfect square on the left side: (t + 0.78125)(t + 0.78125) = 2.4853515625 Calculate the square root of the right side: 1.576499782 Break this problem into two subproblems by setting (t + 0.78125) equal to 1.576499782 and -1.576499782.Subproblem 1
t + 0.78125 = 1.576499782 Simplifying t + 0.78125 = 1.576499782 Reorder the terms: 0.78125 + t = 1.576499782 Solving 0.78125 + t = 1.576499782 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.78125' to each side of the equation. 0.78125 + -0.78125 + t = 1.576499782 + -0.78125 Combine like terms: 0.78125 + -0.78125 = 0.00000 0.00000 + t = 1.576499782 + -0.78125 t = 1.576499782 + -0.78125 Combine like terms: 1.576499782 + -0.78125 = 0.795249782 t = 0.795249782 Simplifying t = 0.795249782Subproblem 2
t + 0.78125 = -1.576499782 Simplifying t + 0.78125 = -1.576499782 Reorder the terms: 0.78125 + t = -1.576499782 Solving 0.78125 + t = -1.576499782 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-0.78125' to each side of the equation. 0.78125 + -0.78125 + t = -1.576499782 + -0.78125 Combine like terms: 0.78125 + -0.78125 = 0.00000 0.00000 + t = -1.576499782 + -0.78125 t = -1.576499782 + -0.78125 Combine like terms: -1.576499782 + -0.78125 = -2.357749782 t = -2.357749782 Simplifying t = -2.357749782Solution
The solution to the problem is based on the solutions from the subproblems. t = {0.795249782, -2.357749782}
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