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Simplifying 0 = -16t2 + 128t + 8 Reorder the terms: 0 = 8 + 128t + -16t2 Solving 0 = 8 + 128t + -16t2 Solving for variable 't'. Combine like terms: 0 + -8 = -8 -8 + -128t + 16t2 = 8 + 128t + -16t2 + -8 + -128t + 16t2 Reorder the terms: -8 + -128t + 16t2 = 8 + -8 + 128t + -128t + -16t2 + 16t2 Combine like terms: 8 + -8 = 0 -8 + -128t + 16t2 = 0 + 128t + -128t + -16t2 + 16t2 -8 + -128t + 16t2 = 128t + -128t + -16t2 + 16t2 Combine like terms: 128t + -128t = 0 -8 + -128t + 16t2 = 0 + -16t2 + 16t2 -8 + -128t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -8 + -128t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '8'. 8(-1 + -16t + 2t2) = 0 Ignore the factor 8.Subproblem 1
Set the factor '(-1 + -16t + 2t2)' equal to zero and attempt to solve: Simplifying -1 + -16t + 2t2 = 0 Solving -1 + -16t + 2t2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -0.5 + -8t + t2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + -8t + 0.5 + t2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + -8t + t2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + -8t + t2 = 0 + 0.5 -8t + t2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 -8t + t2 = 0.5 The t term is -8t. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8t + 16 + t2 = 0.5 + 16 Reorder the terms: 16 + -8t + t2 = 0.5 + 16 Combine like terms: 0.5 + 16 = 16.5 16 + -8t + t2 = 16.5 Factor a perfect square on the left side: (t + -4)(t + -4) = 16.5 Calculate the square root of the right side: 4.062019202 Break this problem into two subproblems by setting (t + -4) equal to 4.062019202 and -4.062019202.Subproblem 1
t + -4 = 4.062019202 Simplifying t + -4 = 4.062019202 Reorder the terms: -4 + t = 4.062019202 Solving -4 + t = 4.062019202 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = 4.062019202 + 4 Combine like terms: -4 + 4 = 0 0 + t = 4.062019202 + 4 t = 4.062019202 + 4 Combine like terms: 4.062019202 + 4 = 8.062019202 t = 8.062019202 Simplifying t = 8.062019202Subproblem 2
t + -4 = -4.062019202 Simplifying t + -4 = -4.062019202 Reorder the terms: -4 + t = -4.062019202 Solving -4 + t = -4.062019202 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = -4.062019202 + 4 Combine like terms: -4 + 4 = 0 0 + t = -4.062019202 + 4 t = -4.062019202 + 4 Combine like terms: -4.062019202 + 4 = -0.062019202 t = -0.062019202 Simplifying t = -0.062019202Solution
The solution to the problem is based on the solutions from the subproblems. t = {8.062019202, -0.062019202}Solution
t = {8.062019202, -0.062019202}
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