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Simplifying 0 = -16t2 + 14t + 6(4) Multiply 6 * 4 0 = -16t2 + 14t + 24 Reorder the terms: 0 = 24 + 14t + -16t2 Solving 0 = 24 + 14t + -16t2 Solving for variable 't'. Combine like terms: 0 + -24 = -24 -24 + -14t + 16t2 = 24 + 14t + -16t2 + -24 + -14t + 16t2 Reorder the terms: -24 + -14t + 16t2 = 24 + -24 + 14t + -14t + -16t2 + 16t2 Combine like terms: 24 + -24 = 0 -24 + -14t + 16t2 = 0 + 14t + -14t + -16t2 + 16t2 -24 + -14t + 16t2 = 14t + -14t + -16t2 + 16t2 Combine like terms: 14t + -14t = 0 -24 + -14t + 16t2 = 0 + -16t2 + 16t2 -24 + -14t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -24 + -14t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-12 + -7t + 8t2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-12 + -7t + 8t2)' equal to zero and attempt to solve: Simplifying -12 + -7t + 8t2 = 0 Solving -12 + -7t + 8t2 = 0 Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. -1.5 + -0.875t + t2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + -0.875t + 1.5 + t2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + -0.875t + t2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + -0.875t + t2 = 0 + 1.5 -0.875t + t2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 -0.875t + t2 = 1.5 The t term is -0.875t. Take half its coefficient (-0.4375). Square it (0.19140625) and add it to both sides. Add '0.19140625' to each side of the equation. -0.875t + 0.19140625 + t2 = 1.5 + 0.19140625 Reorder the terms: 0.19140625 + -0.875t + t2 = 1.5 + 0.19140625 Combine like terms: 1.5 + 0.19140625 = 1.69140625 0.19140625 + -0.875t + t2 = 1.69140625 Factor a perfect square on the left side: (t + -0.4375)(t + -0.4375) = 1.69140625 Calculate the square root of the right side: 1.300540753 Break this problem into two subproblems by setting (t + -0.4375) equal to 1.300540753 and -1.300540753.Subproblem 1
t + -0.4375 = 1.300540753 Simplifying t + -0.4375 = 1.300540753 Reorder the terms: -0.4375 + t = 1.300540753 Solving -0.4375 + t = 1.300540753 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.4375' to each side of the equation. -0.4375 + 0.4375 + t = 1.300540753 + 0.4375 Combine like terms: -0.4375 + 0.4375 = 0.0000 0.0000 + t = 1.300540753 + 0.4375 t = 1.300540753 + 0.4375 Combine like terms: 1.300540753 + 0.4375 = 1.738040753 t = 1.738040753 Simplifying t = 1.738040753Subproblem 2
t + -0.4375 = -1.300540753 Simplifying t + -0.4375 = -1.300540753 Reorder the terms: -0.4375 + t = -1.300540753 Solving -0.4375 + t = -1.300540753 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.4375' to each side of the equation. -0.4375 + 0.4375 + t = -1.300540753 + 0.4375 Combine like terms: -0.4375 + 0.4375 = 0.0000 0.0000 + t = -1.300540753 + 0.4375 t = -1.300540753 + 0.4375 Combine like terms: -1.300540753 + 0.4375 = -0.863040753 t = -0.863040753 Simplifying t = -0.863040753Solution
The solution to the problem is based on the solutions from the subproblems. t = {1.738040753, -0.863040753}Solution
t = {1.738040753, -0.863040753}
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