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Simplifying 0 = -16t2 + 144t + 144 Reorder the terms: 0 = 144 + 144t + -16t2 Solving 0 = 144 + 144t + -16t2 Solving for variable 't'. Combine like terms: 0 + -144 = -144 -144 + -144t + 16t2 = 144 + 144t + -16t2 + -144 + -144t + 16t2 Reorder the terms: -144 + -144t + 16t2 = 144 + -144 + 144t + -144t + -16t2 + 16t2 Combine like terms: 144 + -144 = 0 -144 + -144t + 16t2 = 0 + 144t + -144t + -16t2 + 16t2 -144 + -144t + 16t2 = 144t + -144t + -16t2 + 16t2 Combine like terms: 144t + -144t = 0 -144 + -144t + 16t2 = 0 + -16t2 + 16t2 -144 + -144t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -144 + -144t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '16'. 16(-9 + -9t + t2) = 0 Ignore the factor 16.Subproblem 1
Set the factor '(-9 + -9t + t2)' equal to zero and attempt to solve: Simplifying -9 + -9t + t2 = 0 Solving -9 + -9t + t2 = 0 Begin completing the square. Move the constant term to the right: Add '9' to each side of the equation. -9 + -9t + 9 + t2 = 0 + 9 Reorder the terms: -9 + 9 + -9t + t2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -9t + t2 = 0 + 9 -9t + t2 = 0 + 9 Combine like terms: 0 + 9 = 9 -9t + t2 = 9 The t term is -9t. Take half its coefficient (-4.5). Square it (20.25) and add it to both sides. Add '20.25' to each side of the equation. -9t + 20.25 + t2 = 9 + 20.25 Reorder the terms: 20.25 + -9t + t2 = 9 + 20.25 Combine like terms: 9 + 20.25 = 29.25 20.25 + -9t + t2 = 29.25 Factor a perfect square on the left side: (t + -4.5)(t + -4.5) = 29.25 Calculate the square root of the right side: 5.408326913 Break this problem into two subproblems by setting (t + -4.5) equal to 5.408326913 and -5.408326913.Subproblem 1
t + -4.5 = 5.408326913 Simplifying t + -4.5 = 5.408326913 Reorder the terms: -4.5 + t = 5.408326913 Solving -4.5 + t = 5.408326913 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + t = 5.408326913 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + t = 5.408326913 + 4.5 t = 5.408326913 + 4.5 Combine like terms: 5.408326913 + 4.5 = 9.908326913 t = 9.908326913 Simplifying t = 9.908326913Subproblem 2
t + -4.5 = -5.408326913 Simplifying t + -4.5 = -5.408326913 Reorder the terms: -4.5 + t = -5.408326913 Solving -4.5 + t = -5.408326913 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + t = -5.408326913 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + t = -5.408326913 + 4.5 t = -5.408326913 + 4.5 Combine like terms: -5.408326913 + 4.5 = -0.908326913 t = -0.908326913 Simplifying t = -0.908326913Solution
The solution to the problem is based on the solutions from the subproblems. t = {9.908326913, -0.908326913}Solution
t = {9.908326913, -0.908326913}
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