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Simplifying 16t2 + 37t + 20 = 0 Reorder the terms: 20 + 37t + 16t2 = 0 Solving 20 + 37t + 16t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. 1.25 + 2.3125t + t2 = 0 Move the constant term to the right: Add '-1.25' to each side of the equation. 1.25 + 2.3125t + -1.25 + t2 = 0 + -1.25 Reorder the terms: 1.25 + -1.25 + 2.3125t + t2 = 0 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + 2.3125t + t2 = 0 + -1.25 2.3125t + t2 = 0 + -1.25 Combine like terms: 0 + -1.25 = -1.25 2.3125t + t2 = -1.25 The t term is 2.3125t. Take half its coefficient (1.15625). Square it (1.336914063) and add it to both sides. Add '1.336914063' to each side of the equation. 2.3125t + 1.336914063 + t2 = -1.25 + 1.336914063 Reorder the terms: 1.336914063 + 2.3125t + t2 = -1.25 + 1.336914063 Combine like terms: -1.25 + 1.336914063 = 0.086914063 1.336914063 + 2.3125t + t2 = 0.086914063 Factor a perfect square on the left side: (t + 1.15625)(t + 1.15625) = 0.086914063 Calculate the square root of the right side: 0.294811911 Break this problem into two subproblems by setting (t + 1.15625) equal to 0.294811911 and -0.294811911.Subproblem 1
t + 1.15625 = 0.294811911 Simplifying t + 1.15625 = 0.294811911 Reorder the terms: 1.15625 + t = 0.294811911 Solving 1.15625 + t = 0.294811911 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.15625' to each side of the equation. 1.15625 + -1.15625 + t = 0.294811911 + -1.15625 Combine like terms: 1.15625 + -1.15625 = 0.00000 0.00000 + t = 0.294811911 + -1.15625 t = 0.294811911 + -1.15625 Combine like terms: 0.294811911 + -1.15625 = -0.861438089 t = -0.861438089 Simplifying t = -0.861438089Subproblem 2
t + 1.15625 = -0.294811911 Simplifying t + 1.15625 = -0.294811911 Reorder the terms: 1.15625 + t = -0.294811911 Solving 1.15625 + t = -0.294811911 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.15625' to each side of the equation. 1.15625 + -1.15625 + t = -0.294811911 + -1.15625 Combine like terms: 1.15625 + -1.15625 = 0.00000 0.00000 + t = -0.294811911 + -1.15625 t = -0.294811911 + -1.15625 Combine like terms: -0.294811911 + -1.15625 = -1.451061911 t = -1.451061911 Simplifying t = -1.451061911Solution
The solution to the problem is based on the solutions from the subproblems. t = {-0.861438089, -1.451061911}
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