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Simplifying 100 = -16t2 + 96t Reorder the terms: 100 = 96t + -16t2 Solving 100 = 96t + -16t2 Solving for variable 't'. Reorder the terms: 100 + -96t + 16t2 = 96t + -96t + -16t2 + 16t2 Combine like terms: 96t + -96t = 0 100 + -96t + 16t2 = 0 + -16t2 + 16t2 100 + -96t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 100 + -96t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(25 + -24t + 4t2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(25 + -24t + 4t2)' equal to zero and attempt to solve: Simplifying 25 + -24t + 4t2 = 0 Solving 25 + -24t + 4t2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 6.25 + -6t + t2 = 0 Move the constant term to the right: Add '-6.25' to each side of the equation. 6.25 + -6t + -6.25 + t2 = 0 + -6.25 Reorder the terms: 6.25 + -6.25 + -6t + t2 = 0 + -6.25 Combine like terms: 6.25 + -6.25 = 0.00 0.00 + -6t + t2 = 0 + -6.25 -6t + t2 = 0 + -6.25 Combine like terms: 0 + -6.25 = -6.25 -6t + t2 = -6.25 The t term is -6t. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6t + 9 + t2 = -6.25 + 9 Reorder the terms: 9 + -6t + t2 = -6.25 + 9 Combine like terms: -6.25 + 9 = 2.75 9 + -6t + t2 = 2.75 Factor a perfect square on the left side: (t + -3)(t + -3) = 2.75 Calculate the square root of the right side: 1.658312395 Break this problem into two subproblems by setting (t + -3) equal to 1.658312395 and -1.658312395.Subproblem 1
t + -3 = 1.658312395 Simplifying t + -3 = 1.658312395 Reorder the terms: -3 + t = 1.658312395 Solving -3 + t = 1.658312395 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = 1.658312395 + 3 Combine like terms: -3 + 3 = 0 0 + t = 1.658312395 + 3 t = 1.658312395 + 3 Combine like terms: 1.658312395 + 3 = 4.658312395 t = 4.658312395 Simplifying t = 4.658312395Subproblem 2
t + -3 = -1.658312395 Simplifying t + -3 = -1.658312395 Reorder the terms: -3 + t = -1.658312395 Solving -3 + t = -1.658312395 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = -1.658312395 + 3 Combine like terms: -3 + 3 = 0 0 + t = -1.658312395 + 3 t = -1.658312395 + 3 Combine like terms: -1.658312395 + 3 = 1.341687605 t = 1.341687605 Simplifying t = 1.341687605Solution
The solution to the problem is based on the solutions from the subproblems. t = {4.658312395, 1.341687605}Solution
t = {4.658312395, 1.341687605}
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