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Simplifying 200 = -16t2 + 16t + 480 Reorder the terms: 200 = 480 + 16t + -16t2 Solving 200 = 480 + 16t + -16t2 Solving for variable 't'. Combine like terms: 200 + -480 = -280 -280 + -16t + 16t2 = 480 + 16t + -16t2 + -480 + -16t + 16t2 Reorder the terms: -280 + -16t + 16t2 = 480 + -480 + 16t + -16t + -16t2 + 16t2 Combine like terms: 480 + -480 = 0 -280 + -16t + 16t2 = 0 + 16t + -16t + -16t2 + 16t2 -280 + -16t + 16t2 = 16t + -16t + -16t2 + 16t2 Combine like terms: 16t + -16t = 0 -280 + -16t + 16t2 = 0 + -16t2 + 16t2 -280 + -16t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -280 + -16t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '8'. 8(-35 + -2t + 2t2) = 0 Ignore the factor 8.Subproblem 1
Set the factor '(-35 + -2t + 2t2)' equal to zero and attempt to solve: Simplifying -35 + -2t + 2t2 = 0 Solving -35 + -2t + 2t2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -17.5 + -1t + t2 = 0 Move the constant term to the right: Add '17.5' to each side of the equation. -17.5 + -1t + 17.5 + t2 = 0 + 17.5 Reorder the terms: -17.5 + 17.5 + -1t + t2 = 0 + 17.5 Combine like terms: -17.5 + 17.5 = 0.0 0.0 + -1t + t2 = 0 + 17.5 -1t + t2 = 0 + 17.5 Combine like terms: 0 + 17.5 = 17.5 -1t + t2 = 17.5 The t term is -1t. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1t + 0.25 + t2 = 17.5 + 0.25 Reorder the terms: 0.25 + -1t + t2 = 17.5 + 0.25 Combine like terms: 17.5 + 0.25 = 17.75 0.25 + -1t + t2 = 17.75 Factor a perfect square on the left side: (t + -0.5)(t + -0.5) = 17.75 Calculate the square root of the right side: 4.213074887 Break this problem into two subproblems by setting (t + -0.5) equal to 4.213074887 and -4.213074887.Subproblem 1
t + -0.5 = 4.213074887 Simplifying t + -0.5 = 4.213074887 Reorder the terms: -0.5 + t = 4.213074887 Solving -0.5 + t = 4.213074887 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + t = 4.213074887 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + t = 4.213074887 + 0.5 t = 4.213074887 + 0.5 Combine like terms: 4.213074887 + 0.5 = 4.713074887 t = 4.713074887 Simplifying t = 4.713074887Subproblem 2
t + -0.5 = -4.213074887 Simplifying t + -0.5 = -4.213074887 Reorder the terms: -0.5 + t = -4.213074887 Solving -0.5 + t = -4.213074887 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + t = -4.213074887 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + t = -4.213074887 + 0.5 t = -4.213074887 + 0.5 Combine like terms: -4.213074887 + 0.5 = -3.713074887 t = -3.713074887 Simplifying t = -3.713074887Solution
The solution to the problem is based on the solutions from the subproblems. t = {4.713074887, -3.713074887}Solution
t = {4.713074887, -3.713074887}
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