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Simplifying 3(t + -5) + -16t = 12 + -2t(t + -3) Reorder the terms: 3(-5 + t) + -16t = 12 + -2t(t + -3) (-5 * 3 + t * 3) + -16t = 12 + -2t(t + -3) (-15 + 3t) + -16t = 12 + -2t(t + -3) Combine like terms: 3t + -16t = -13t -15 + -13t = 12 + -2t(t + -3) Reorder the terms: -15 + -13t = 12 + -2t(-3 + t) -15 + -13t = 12 + (-3 * -2t + t * -2t) -15 + -13t = 12 + (6t + -2t2) Solving -15 + -13t = 12 + 6t + -2t2 Solving for variable 't'. Reorder the terms: -15 + -12 + -13t + -6t + 2t2 = 12 + 6t + -2t2 + -12 + -6t + 2t2 Combine like terms: -15 + -12 = -27 -27 + -13t + -6t + 2t2 = 12 + 6t + -2t2 + -12 + -6t + 2t2 Combine like terms: -13t + -6t = -19t -27 + -19t + 2t2 = 12 + 6t + -2t2 + -12 + -6t + 2t2 Reorder the terms: -27 + -19t + 2t2 = 12 + -12 + 6t + -6t + -2t2 + 2t2 Combine like terms: 12 + -12 = 0 -27 + -19t + 2t2 = 0 + 6t + -6t + -2t2 + 2t2 -27 + -19t + 2t2 = 6t + -6t + -2t2 + 2t2 Combine like terms: 6t + -6t = 0 -27 + -19t + 2t2 = 0 + -2t2 + 2t2 -27 + -19t + 2t2 = -2t2 + 2t2 Combine like terms: -2t2 + 2t2 = 0 -27 + -19t + 2t2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -13.5 + -9.5t + t2 = 0 Move the constant term to the right: Add '13.5' to each side of the equation. -13.5 + -9.5t + 13.5 + t2 = 0 + 13.5 Reorder the terms: -13.5 + 13.5 + -9.5t + t2 = 0 + 13.5 Combine like terms: -13.5 + 13.5 = 0.0 0.0 + -9.5t + t2 = 0 + 13.5 -9.5t + t2 = 0 + 13.5 Combine like terms: 0 + 13.5 = 13.5 -9.5t + t2 = 13.5 The t term is -9.5t. Take half its coefficient (-4.75). Square it (22.5625) and add it to both sides. Add '22.5625' to each side of the equation. -9.5t + 22.5625 + t2 = 13.5 + 22.5625 Reorder the terms: 22.5625 + -9.5t + t2 = 13.5 + 22.5625 Combine like terms: 13.5 + 22.5625 = 36.0625 22.5625 + -9.5t + t2 = 36.0625 Factor a perfect square on the left side: (t + -4.75)(t + -4.75) = 36.0625 Calculate the square root of the right side: 6.005206075 Break this problem into two subproblems by setting (t + -4.75) equal to 6.005206075 and -6.005206075.Subproblem 1
t + -4.75 = 6.005206075 Simplifying t + -4.75 = 6.005206075 Reorder the terms: -4.75 + t = 6.005206075 Solving -4.75 + t = 6.005206075 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4.75' to each side of the equation. -4.75 + 4.75 + t = 6.005206075 + 4.75 Combine like terms: -4.75 + 4.75 = 0.00 0.00 + t = 6.005206075 + 4.75 t = 6.005206075 + 4.75 Combine like terms: 6.005206075 + 4.75 = 10.755206075 t = 10.755206075 Simplifying t = 10.755206075Subproblem 2
t + -4.75 = -6.005206075 Simplifying t + -4.75 = -6.005206075 Reorder the terms: -4.75 + t = -6.005206075 Solving -4.75 + t = -6.005206075 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4.75' to each side of the equation. -4.75 + 4.75 + t = -6.005206075 + 4.75 Combine like terms: -4.75 + 4.75 = 0.00 0.00 + t = -6.005206075 + 4.75 t = -6.005206075 + 4.75 Combine like terms: -6.005206075 + 4.75 = -1.255206075 t = -1.255206075 Simplifying t = -1.255206075Solution
The solution to the problem is based on the solutions from the subproblems. t = {10.755206075, -1.255206075}
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