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Simplifying -8t2 + 64t + 3 = 0 Reorder the terms: 3 + 64t + -8t2 = 0 Solving 3 + 64t + -8t2 = 0 Solving for variable 't'. Begin completing the square. Divide all terms by -8 the coefficient of the squared term: Divide each side by '-8'. -0.375 + -8t + t2 = 0 Move the constant term to the right: Add '0.375' to each side of the equation. -0.375 + -8t + 0.375 + t2 = 0 + 0.375 Reorder the terms: -0.375 + 0.375 + -8t + t2 = 0 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + -8t + t2 = 0 + 0.375 -8t + t2 = 0 + 0.375 Combine like terms: 0 + 0.375 = 0.375 -8t + t2 = 0.375 The t term is -8t. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8t + 16 + t2 = 0.375 + 16 Reorder the terms: 16 + -8t + t2 = 0.375 + 16 Combine like terms: 0.375 + 16 = 16.375 16 + -8t + t2 = 16.375 Factor a perfect square on the left side: (t + -4)(t + -4) = 16.375 Calculate the square root of the right side: 4.046603514 Break this problem into two subproblems by setting (t + -4) equal to 4.046603514 and -4.046603514.Subproblem 1
t + -4 = 4.046603514 Simplifying t + -4 = 4.046603514 Reorder the terms: -4 + t = 4.046603514 Solving -4 + t = 4.046603514 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = 4.046603514 + 4 Combine like terms: -4 + 4 = 0 0 + t = 4.046603514 + 4 t = 4.046603514 + 4 Combine like terms: 4.046603514 + 4 = 8.046603514 t = 8.046603514 Simplifying t = 8.046603514Subproblem 2
t + -4 = -4.046603514 Simplifying t + -4 = -4.046603514 Reorder the terms: -4 + t = -4.046603514 Solving -4 + t = -4.046603514 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = -4.046603514 + 4 Combine like terms: -4 + 4 = 0 0 + t = -4.046603514 + 4 t = -4.046603514 + 4 Combine like terms: -4.046603514 + 4 = -0.046603514 t = -0.046603514 Simplifying t = -0.046603514Solution
The solution to the problem is based on the solutions from the subproblems. t = {8.046603514, -0.046603514}
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