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Simplifying 0 = -16t2 + 160t + 8 Reorder the terms: 0 = 8 + 160t + -16t2 Solving 0 = 8 + 160t + -16t2 Solving for variable 't'. Combine like terms: 0 + -8 = -8 -8 + -160t + 16t2 = 8 + 160t + -16t2 + -8 + -160t + 16t2 Reorder the terms: -8 + -160t + 16t2 = 8 + -8 + 160t + -160t + -16t2 + 16t2 Combine like terms: 8 + -8 = 0 -8 + -160t + 16t2 = 0 + 160t + -160t + -16t2 + 16t2 -8 + -160t + 16t2 = 160t + -160t + -16t2 + 16t2 Combine like terms: 160t + -160t = 0 -8 + -160t + 16t2 = 0 + -16t2 + 16t2 -8 + -160t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -8 + -160t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '8'. 8(-1 + -20t + 2t2) = 0 Ignore the factor 8.Subproblem 1
Set the factor '(-1 + -20t + 2t2)' equal to zero and attempt to solve: Simplifying -1 + -20t + 2t2 = 0 Solving -1 + -20t + 2t2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -0.5 + -10t + t2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + -10t + 0.5 + t2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + -10t + t2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + -10t + t2 = 0 + 0.5 -10t + t2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 -10t + t2 = 0.5 The t term is -10t. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10t + 25 + t2 = 0.5 + 25 Reorder the terms: 25 + -10t + t2 = 0.5 + 25 Combine like terms: 0.5 + 25 = 25.5 25 + -10t + t2 = 25.5 Factor a perfect square on the left side: (t + -5)(t + -5) = 25.5 Calculate the square root of the right side: 5.049752469 Break this problem into two subproblems by setting (t + -5) equal to 5.049752469 and -5.049752469.Subproblem 1
t + -5 = 5.049752469 Simplifying t + -5 = 5.049752469 Reorder the terms: -5 + t = 5.049752469 Solving -5 + t = 5.049752469 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = 5.049752469 + 5 Combine like terms: -5 + 5 = 0 0 + t = 5.049752469 + 5 t = 5.049752469 + 5 Combine like terms: 5.049752469 + 5 = 10.049752469 t = 10.049752469 Simplifying t = 10.049752469Subproblem 2
t + -5 = -5.049752469 Simplifying t + -5 = -5.049752469 Reorder the terms: -5 + t = -5.049752469 Solving -5 + t = -5.049752469 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = -5.049752469 + 5 Combine like terms: -5 + 5 = 0 0 + t = -5.049752469 + 5 t = -5.049752469 + 5 Combine like terms: -5.049752469 + 5 = -0.049752469 t = -0.049752469 Simplifying t = -0.049752469Solution
The solution to the problem is based on the solutions from the subproblems. t = {10.049752469, -0.049752469}Solution
t = {10.049752469, -0.049752469}
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