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Simplifying 7t2 + -18t = 14 + 10t Reorder the terms: -18t + 7t2 = 14 + 10t Solving -18t + 7t2 = 14 + 10t Solving for variable 't'. Reorder the terms: -14 + -18t + -10t + 7t2 = 14 + 10t + -14 + -10t Combine like terms: -18t + -10t = -28t -14 + -28t + 7t2 = 14 + 10t + -14 + -10t Reorder the terms: -14 + -28t + 7t2 = 14 + -14 + 10t + -10t Combine like terms: 14 + -14 = 0 -14 + -28t + 7t2 = 0 + 10t + -10t -14 + -28t + 7t2 = 10t + -10t Combine like terms: 10t + -10t = 0 -14 + -28t + 7t2 = 0 Factor out the Greatest Common Factor (GCF), '7'. 7(-2 + -4t + t2) = 0 Ignore the factor 7.Subproblem 1
Set the factor '(-2 + -4t + t2)' equal to zero and attempt to solve: Simplifying -2 + -4t + t2 = 0 Solving -2 + -4t + t2 = 0 Begin completing the square. Move the constant term to the right: Add '2' to each side of the equation. -2 + -4t + 2 + t2 = 0 + 2 Reorder the terms: -2 + 2 + -4t + t2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -4t + t2 = 0 + 2 -4t + t2 = 0 + 2 Combine like terms: 0 + 2 = 2 -4t + t2 = 2 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 = 2 + 4 Reorder the terms: 4 + -4t + t2 = 2 + 4 Combine like terms: 2 + 4 = 6 4 + -4t + t2 = 6 Factor a perfect square on the left side: (t + -2)(t + -2) = 6 Calculate the square root of the right side: 2.449489743 Break this problem into two subproblems by setting (t + -2) equal to 2.449489743 and -2.449489743.Subproblem 1
t + -2 = 2.449489743 Simplifying t + -2 = 2.449489743 Reorder the terms: -2 + t = 2.449489743 Solving -2 + t = 2.449489743 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 = 2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + t = 2.449489743 + 2 t = 2.449489743 + 2 Combine like terms: 2.449489743 + 2 = 4.449489743 t = 4.449489743 Simplifying t = 4.449489743Subproblem 2
t + -2 = -2.449489743 Simplifying t + -2 = -2.449489743 Reorder the terms: -2 + t = -2.449489743 Solving -2 + t = -2.449489743 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 = -2.449489743 + 2 Combine like terms: -2 + 2 = 0 0 + t = -2.449489743 + 2 t = -2.449489743 + 2 Combine like terms: -2.449489743 + 2 = -0.449489743 t = -0.449489743 Simplifying t = -0.449489743Solution
The solution to the problem is based on the solutions from the subproblems. t = {4.449489743, -0.449489743}Solution
t = {4.449489743, -0.449489743}
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