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Simplifying t2 + -7t + -17 = 0 Reorder the terms: -17 + -7t + t2 = 0 Solving -17 + -7t + t2 = 0 Solving for variable 't'. Begin completing the square. Move the constant term to the right: Add '17' to each side of the equation. -17 + -7t + 17 + t2 = 0 + 17 Reorder the terms: -17 + 17 + -7t + t2 = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -7t + t2 = 0 + 17 -7t + t2 = 0 + 17 Combine like terms: 0 + 17 = 17 -7t + t2 = 17 The t term is -7t. Take half its coefficient (-3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. -7t + 12.25 + t2 = 17 + 12.25 Reorder the terms: 12.25 + -7t + t2 = 17 + 12.25 Combine like terms: 17 + 12.25 = 29.25 12.25 + -7t + t2 = 29.25 Factor a perfect square on the left side: (t + -3.5)(t + -3.5) = 29.25 Calculate the square root of the right side: 5.408326913 Break this problem into two subproblems by setting (t + -3.5) equal to 5.408326913 and -5.408326913.Subproblem 1
t + -3.5 = 5.408326913 Simplifying t + -3.5 = 5.408326913 Reorder the terms: -3.5 + t = 5.408326913 Solving -3.5 + t = 5.408326913 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + t = 5.408326913 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + t = 5.408326913 + 3.5 t = 5.408326913 + 3.5 Combine like terms: 5.408326913 + 3.5 = 8.908326913 t = 8.908326913 Simplifying t = 8.908326913Subproblem 2
t + -3.5 = -5.408326913 Simplifying t + -3.5 = -5.408326913 Reorder the terms: -3.5 + t = -5.408326913 Solving -3.5 + t = -5.408326913 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + t = -5.408326913 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + t = -5.408326913 + 3.5 t = -5.408326913 + 3.5 Combine like terms: -5.408326913 + 3.5 = -1.908326913 t = -1.908326913 Simplifying t = -1.908326913Solution
The solution to the problem is based on the solutions from the subproblems. t = {8.908326913, -1.908326913}
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