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Simplifying 0 = 16t2 + -14t + -10 Reorder the terms: 0 = -10 + -14t + 16t2 Solving 0 = -10 + -14t + 16t2 Solving for variable 't'. Combine like terms: 0 + 10 = 10 10 + 14t + -16t2 = -10 + -14t + 16t2 + 10 + 14t + -16t2 Reorder the terms: 10 + 14t + -16t2 = -10 + 10 + -14t + 14t + 16t2 + -16t2 Combine like terms: -10 + 10 = 0 10 + 14t + -16t2 = 0 + -14t + 14t + 16t2 + -16t2 10 + 14t + -16t2 = -14t + 14t + 16t2 + -16t2 Combine like terms: -14t + 14t = 0 10 + 14t + -16t2 = 0 + 16t2 + -16t2 10 + 14t + -16t2 = 16t2 + -16t2 Combine like terms: 16t2 + -16t2 = 0 10 + 14t + -16t2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(5 + 7t + -8t2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(5 + 7t + -8t2)' equal to zero and attempt to solve: Simplifying 5 + 7t + -8t2 = 0 Solving 5 + 7t + -8t2 = 0 Begin completing the square. Divide all terms by -8 the coefficient of the squared term: Divide each side by '-8'. -0.625 + -0.875t + t2 = 0 Move the constant term to the right: Add '0.625' to each side of the equation. -0.625 + -0.875t + 0.625 + t2 = 0 + 0.625 Reorder the terms: -0.625 + 0.625 + -0.875t + t2 = 0 + 0.625 Combine like terms: -0.625 + 0.625 = 0.000 0.000 + -0.875t + t2 = 0 + 0.625 -0.875t + t2 = 0 + 0.625 Combine like terms: 0 + 0.625 = 0.625 -0.875t + t2 = 0.625 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 = 0.625 + 0.19140625 Reorder the terms: 0.19140625 + -0.875t + t2 = 0.625 + 0.19140625 Combine like terms: 0.625 + 0.19140625 = 0.81640625 0.19140625 + -0.875t + t2 = 0.81640625 Factor a perfect square on the left side: (t + -0.4375)(t + -0.4375) = 0.81640625 Calculate the square root of the right side: 0.903552018 Break this problem into two subproblems by setting (t + -0.4375) equal to 0.903552018 and -0.903552018.Subproblem 1
t + -0.4375 = 0.903552018 Simplifying t + -0.4375 = 0.903552018 Reorder the terms: -0.4375 + t = 0.903552018 Solving -0.4375 + t = 0.903552018 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 = 0.903552018 + 0.4375 Combine like terms: -0.4375 + 0.4375 = 0.0000 0.0000 + t = 0.903552018 + 0.4375 t = 0.903552018 + 0.4375 Combine like terms: 0.903552018 + 0.4375 = 1.341052018 t = 1.341052018 Simplifying t = 1.341052018Subproblem 2
t + -0.4375 = -0.903552018 Simplifying t + -0.4375 = -0.903552018 Reorder the terms: -0.4375 + t = -0.903552018 Solving -0.4375 + t = -0.903552018 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 = -0.903552018 + 0.4375 Combine like terms: -0.4375 + 0.4375 = 0.0000 0.0000 + t = -0.903552018 + 0.4375 t = -0.903552018 + 0.4375 Combine like terms: -0.903552018 + 0.4375 = -0.466052018 t = -0.466052018 Simplifying t = -0.466052018Solution
The solution to the problem is based on the solutions from the subproblems. t = {1.341052018, -0.466052018}Solution
t = {1.341052018, -0.466052018}
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