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Simplifying -16t2 + -40t + -3 = 0 Reorder the terms: -3 + -40t + -16t2 = 0 Solving -3 + -40t + -16t2 = 0 Solving for variable 't'. Factor out the Greatest Common Factor (GCF), '-1'. -1(3 + 40t + 16t2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(3 + 40t + 16t2)' equal to zero and attempt to solve: Simplifying 3 + 40t + 16t2 = 0 Solving 3 + 40t + 16t2 = 0 Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 0.1875 + 2.5t + t2 = 0 Move the constant term to the right: Add '-0.1875' to each side of the equation. 0.1875 + 2.5t + -0.1875 + t2 = 0 + -0.1875 Reorder the terms: 0.1875 + -0.1875 + 2.5t + t2 = 0 + -0.1875 Combine like terms: 0.1875 + -0.1875 = 0.0000 0.0000 + 2.5t + t2 = 0 + -0.1875 2.5t + t2 = 0 + -0.1875 Combine like terms: 0 + -0.1875 = -0.1875 2.5t + t2 = -0.1875 The t term is 2.5t. Take half its coefficient (1.25). Square it (1.5625) and add it to both sides. Add '1.5625' to each side of the equation. 2.5t + 1.5625 + t2 = -0.1875 + 1.5625 Reorder the terms: 1.5625 + 2.5t + t2 = -0.1875 + 1.5625 Combine like terms: -0.1875 + 1.5625 = 1.375 1.5625 + 2.5t + t2 = 1.375 Factor a perfect square on the left side: (t + 1.25)(t + 1.25) = 1.375 Calculate the square root of the right side: 1.17260394 Break this problem into two subproblems by setting (t + 1.25) equal to 1.17260394 and -1.17260394.Subproblem 1
t + 1.25 = 1.17260394 Simplifying t + 1.25 = 1.17260394 Reorder the terms: 1.25 + t = 1.17260394 Solving 1.25 + t = 1.17260394 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + t = 1.17260394 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + t = 1.17260394 + -1.25 t = 1.17260394 + -1.25 Combine like terms: 1.17260394 + -1.25 = -0.07739606 t = -0.07739606 Simplifying t = -0.07739606Subproblem 2
t + 1.25 = -1.17260394 Simplifying t + 1.25 = -1.17260394 Reorder the terms: 1.25 + t = -1.17260394 Solving 1.25 + t = -1.17260394 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + t = -1.17260394 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + t = -1.17260394 + -1.25 t = -1.17260394 + -1.25 Combine like terms: -1.17260394 + -1.25 = -2.42260394 t = -2.42260394 Simplifying t = -2.42260394Solution
The solution to the problem is based on the solutions from the subproblems. t = {-0.07739606, -2.42260394}Solution
t = {-0.07739606, -2.42260394}
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