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Simplifying -16t2 + 64t + 360 = 0 Reorder the terms: 360 + 64t + -16t2 = 0 Solving 360 + 64t + -16t2 = 0 Solving for variable 't'. Factor out the Greatest Common Factor (GCF), '8'. 8(45 + 8t + -2t2) = 0 Ignore the factor 8.Subproblem 1
Set the factor '(45 + 8t + -2t2)' equal to zero and attempt to solve: Simplifying 45 + 8t + -2t2 = 0 Solving 45 + 8t + -2t2 = 0 Begin completing the square. Divide all terms by -2 the coefficient of the squared term: Divide each side by '-2'. -22.5 + -4t + t2 = 0 Move the constant term to the right: Add '22.5' to each side of the equation. -22.5 + -4t + 22.5 + t2 = 0 + 22.5 Reorder the terms: -22.5 + 22.5 + -4t + t2 = 0 + 22.5 Combine like terms: -22.5 + 22.5 = 0.0 0.0 + -4t + t2 = 0 + 22.5 -4t + t2 = 0 + 22.5 Combine like terms: 0 + 22.5 = 22.5 -4t + t2 = 22.5 The t term is -4t. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4t + 4 + t2 = 22.5 + 4 Reorder the terms: 4 + -4t + t2 = 22.5 + 4 Combine like terms: 22.5 + 4 = 26.5 4 + -4t + t2 = 26.5 Factor a perfect square on the left side: (t + -2)(t + -2) = 26.5 Calculate the square root of the right side: 5.14781507 Break this problem into two subproblems by setting (t + -2) equal to 5.14781507 and -5.14781507.Subproblem 1
t + -2 = 5.14781507 Simplifying t + -2 = 5.14781507 Reorder the terms: -2 + t = 5.14781507 Solving -2 + t = 5.14781507 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = 5.14781507 + 2 Combine like terms: -2 + 2 = 0 0 + t = 5.14781507 + 2 t = 5.14781507 + 2 Combine like terms: 5.14781507 + 2 = 7.14781507 t = 7.14781507 Simplifying t = 7.14781507Subproblem 2
t + -2 = -5.14781507 Simplifying t + -2 = -5.14781507 Reorder the terms: -2 + t = -5.14781507 Solving -2 + t = -5.14781507 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = -5.14781507 + 2 Combine like terms: -2 + 2 = 0 0 + t = -5.14781507 + 2 t = -5.14781507 + 2 Combine like terms: -5.14781507 + 2 = -3.14781507 t = -3.14781507 Simplifying t = -3.14781507Solution
The solution to the problem is based on the solutions from the subproblems. t = {7.14781507, -3.14781507}Solution
t = {7.14781507, -3.14781507}
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