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Simplifying -1t2 + 6t + 13 = 0 Reorder the terms: 13 + 6t + -1t2 = 0 Solving 13 + 6t + -1t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -13 + -6t + t2 = 0 Move the constant term to the right: Add '13' to each side of the equation. -13 + -6t + 13 + t2 = 0 + 13 Reorder the terms: -13 + 13 + -6t + t2 = 0 + 13 Combine like terms: -13 + 13 = 0 0 + -6t + t2 = 0 + 13 -6t + t2 = 0 + 13 Combine like terms: 0 + 13 = 13 -6t + t2 = 13 The t term is -6t. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6t + 9 + t2 = 13 + 9 Reorder the terms: 9 + -6t + t2 = 13 + 9 Combine like terms: 13 + 9 = 22 9 + -6t + t2 = 22 Factor a perfect square on the left side: (t + -3)(t + -3) = 22 Calculate the square root of the right side: 4.69041576 Break this problem into two subproblems by setting (t + -3) equal to 4.69041576 and -4.69041576.Subproblem 1
t + -3 = 4.69041576 Simplifying t + -3 = 4.69041576 Reorder the terms: -3 + t = 4.69041576 Solving -3 + t = 4.69041576 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = 4.69041576 + 3 Combine like terms: -3 + 3 = 0 0 + t = 4.69041576 + 3 t = 4.69041576 + 3 Combine like terms: 4.69041576 + 3 = 7.69041576 t = 7.69041576 Simplifying t = 7.69041576Subproblem 2
t + -3 = -4.69041576 Simplifying t + -3 = -4.69041576 Reorder the terms: -3 + t = -4.69041576 Solving -3 + t = -4.69041576 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + t = -4.69041576 + 3 Combine like terms: -3 + 3 = 0 0 + t = -4.69041576 + 3 t = -4.69041576 + 3 Combine like terms: -4.69041576 + 3 = -1.69041576 t = -1.69041576 Simplifying t = -1.69041576Solution
The solution to the problem is based on the solutions from the subproblems. t = {7.69041576, -1.69041576}
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