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Simplifying 40t + -16t2 + -2 = 0 Reorder the terms: -2 + 40t + -16t2 = 0 Solving -2 + 40t + -16t2 = 0 Solving for variable 't'. Factor out the Greatest Common Factor (GCF), '2'. 2(-1 + 20t + -8t2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-1 + 20t + -8t2)' equal to zero and attempt to solve: Simplifying -1 + 20t + -8t2 = 0 Solving -1 + 20t + -8t2 = 0 Begin completing the square. Divide all terms by -8 the coefficient of the squared term: Divide each side by '-8'. 0.125 + -2.5t + t2 = 0 Move the constant term to the right: Add '-0.125' to each side of the equation. 0.125 + -2.5t + -0.125 + t2 = 0 + -0.125 Reorder the terms: 0.125 + -0.125 + -2.5t + t2 = 0 + -0.125 Combine like terms: 0.125 + -0.125 = 0.000 0.000 + -2.5t + t2 = 0 + -0.125 -2.5t + t2 = 0 + -0.125 Combine like terms: 0 + -0.125 = -0.125 -2.5t + t2 = -0.125 The t term is -2.5t. Take half its coefficient (-1.25). Square it (1.5625) and add it to both sides. Add '1.5625' to each side of the equation. -2.5t + 1.5625 + t2 = -0.125 + 1.5625 Reorder the terms: 1.5625 + -2.5t + t2 = -0.125 + 1.5625 Combine like terms: -0.125 + 1.5625 = 1.4375 1.5625 + -2.5t + t2 = 1.4375 Factor a perfect square on the left side: (t + -1.25)(t + -1.25) = 1.4375 Calculate the square root of the right side: 1.198957881 Break this problem into two subproblems by setting (t + -1.25) equal to 1.198957881 and -1.198957881.Subproblem 1
t + -1.25 = 1.198957881 Simplifying t + -1.25 = 1.198957881 Reorder the terms: -1.25 + t = 1.198957881 Solving -1.25 + t = 1.198957881 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + t = 1.198957881 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + t = 1.198957881 + 1.25 t = 1.198957881 + 1.25 Combine like terms: 1.198957881 + 1.25 = 2.448957881 t = 2.448957881 Simplifying t = 2.448957881Subproblem 2
t + -1.25 = -1.198957881 Simplifying t + -1.25 = -1.198957881 Reorder the terms: -1.25 + t = -1.198957881 Solving -1.25 + t = -1.198957881 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + t = -1.198957881 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + t = -1.198957881 + 1.25 t = -1.198957881 + 1.25 Combine like terms: -1.198957881 + 1.25 = 0.051042119 t = 0.051042119 Simplifying t = 0.051042119Solution
The solution to the problem is based on the solutions from the subproblems. t = {2.448957881, 0.051042119}Solution
t = {2.448957881, 0.051042119}
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