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Simplifying 2t2 + -8t + -3 = 0 Reorder the terms: -3 + -8t + 2t2 = 0 Solving -3 + -8t + 2t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -1.5 + -4t + t2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + -4t + 1.5 + t2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + -4t + t2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + -4t + t2 = 0 + 1.5 -4t + t2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 -4t + t2 = 1.5 The t term is -4t. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4t + 4 + t2 = 1.5 + 4 Reorder the terms: 4 + -4t + t2 = 1.5 + 4 Combine like terms: 1.5 + 4 = 5.5 4 + -4t + t2 = 5.5 Factor a perfect square on the left side: (t + -2)(t + -2) = 5.5 Calculate the square root of the right side: 2.34520788 Break this problem into two subproblems by setting (t + -2) equal to 2.34520788 and -2.34520788.Subproblem 1
t + -2 = 2.34520788 Simplifying t + -2 = 2.34520788 Reorder the terms: -2 + t = 2.34520788 Solving -2 + t = 2.34520788 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = 2.34520788 + 2 Combine like terms: -2 + 2 = 0 0 + t = 2.34520788 + 2 t = 2.34520788 + 2 Combine like terms: 2.34520788 + 2 = 4.34520788 t = 4.34520788 Simplifying t = 4.34520788Subproblem 2
t + -2 = -2.34520788 Simplifying t + -2 = -2.34520788 Reorder the terms: -2 + t = -2.34520788 Solving -2 + t = -2.34520788 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = -2.34520788 + 2 Combine like terms: -2 + 2 = 0 0 + t = -2.34520788 + 2 t = -2.34520788 + 2 Combine like terms: -2.34520788 + 2 = -0.34520788 t = -0.34520788 Simplifying t = -0.34520788Solution
The solution to the problem is based on the solutions from the subproblems. t = {4.34520788, -0.34520788}
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