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Simplifying -16t2 + 112t + 30 = 0 Reorder the terms: 30 + 112t + -16t2 = 0 Solving 30 + 112t + -16t2 = 0 Solving for variable 't'. Factor out the Greatest Common Factor (GCF), '2'. 2(15 + 56t + -8t2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(15 + 56t + -8t2)' equal to zero and attempt to solve: Simplifying 15 + 56t + -8t2 = 0 Solving 15 + 56t + -8t2 = 0 Begin completing the square. Divide all terms by -8 the coefficient of the squared term: Divide each side by '-8'. -1.875 + -7t + t2 = 0 Move the constant term to the right: Add '1.875' to each side of the equation. -1.875 + -7t + 1.875 + t2 = 0 + 1.875 Reorder the terms: -1.875 + 1.875 + -7t + t2 = 0 + 1.875 Combine like terms: -1.875 + 1.875 = 0.000 0.000 + -7t + t2 = 0 + 1.875 -7t + t2 = 0 + 1.875 Combine like terms: 0 + 1.875 = 1.875 -7t + t2 = 1.875 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 = 1.875 + 12.25 Reorder the terms: 12.25 + -7t + t2 = 1.875 + 12.25 Combine like terms: 1.875 + 12.25 = 14.125 12.25 + -7t + t2 = 14.125 Factor a perfect square on the left side: (t + -3.5)(t + -3.5) = 14.125 Calculate the square root of the right side: 3.758324095 Break this problem into two subproblems by setting (t + -3.5) equal to 3.758324095 and -3.758324095.Subproblem 1
t + -3.5 = 3.758324095 Simplifying t + -3.5 = 3.758324095 Reorder the terms: -3.5 + t = 3.758324095 Solving -3.5 + t = 3.758324095 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 = 3.758324095 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + t = 3.758324095 + 3.5 t = 3.758324095 + 3.5 Combine like terms: 3.758324095 + 3.5 = 7.258324095 t = 7.258324095 Simplifying t = 7.258324095Subproblem 2
t + -3.5 = -3.758324095 Simplifying t + -3.5 = -3.758324095 Reorder the terms: -3.5 + t = -3.758324095 Solving -3.5 + t = -3.758324095 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 = -3.758324095 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + t = -3.758324095 + 3.5 t = -3.758324095 + 3.5 Combine like terms: -3.758324095 + 3.5 = -0.258324095 t = -0.258324095 Simplifying t = -0.258324095Solution
The solution to the problem is based on the solutions from the subproblems. t = {7.258324095, -0.258324095}Solution
t = {7.258324095, -0.258324095}
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