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Simplifying 0 = -16t2 + 25t + 8 Reorder the terms: 0 = 8 + 25t + -16t2 Solving 0 = 8 + 25t + -16t2 Solving for variable 't'. Combine like terms: 0 + -8 = -8 -8 + -25t + 16t2 = 8 + 25t + -16t2 + -8 + -25t + 16t2 Reorder the terms: -8 + -25t + 16t2 = 8 + -8 + 25t + -25t + -16t2 + 16t2 Combine like terms: 8 + -8 = 0 -8 + -25t + 16t2 = 0 + 25t + -25t + -16t2 + 16t2 -8 + -25t + 16t2 = 25t + -25t + -16t2 + 16t2 Combine like terms: 25t + -25t = 0 -8 + -25t + 16t2 = 0 + -16t2 + 16t2 -8 + -25t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -8 + -25t + 16t2 = 0 Begin completing the square. Divide all terms by 16 the coefficient of the squared term: Divide each side by '16'. -0.5 + -1.5625t + t2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + -1.5625t + 0.5 + t2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + -1.5625t + t2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + -1.5625t + t2 = 0 + 0.5 -1.5625t + t2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 -1.5625t + t2 = 0.5 The t term is -1.5625t. Take half its coefficient (-0.78125). Square it (0.6103515625) and add it to both sides. Add '0.6103515625' to each side of the equation. -1.5625t + 0.6103515625 + t2 = 0.5 + 0.6103515625 Reorder the terms: 0.6103515625 + -1.5625t + t2 = 0.5 + 0.6103515625 Combine like terms: 0.5 + 0.6103515625 = 1.1103515625 0.6103515625 + -1.5625t + t2 = 1.1103515625 Factor a perfect square on the left side: (t + -0.78125)(t + -0.78125) = 1.1103515625 Calculate the square root of the right side: 1.053732206 Break this problem into two subproblems by setting (t + -0.78125) equal to 1.053732206 and -1.053732206.Subproblem 1
t + -0.78125 = 1.053732206 Simplifying t + -0.78125 = 1.053732206 Reorder the terms: -0.78125 + t = 1.053732206 Solving -0.78125 + t = 1.053732206 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.78125' to each side of the equation. -0.78125 + 0.78125 + t = 1.053732206 + 0.78125 Combine like terms: -0.78125 + 0.78125 = 0.00000 0.00000 + t = 1.053732206 + 0.78125 t = 1.053732206 + 0.78125 Combine like terms: 1.053732206 + 0.78125 = 1.834982206 t = 1.834982206 Simplifying t = 1.834982206Subproblem 2
t + -0.78125 = -1.053732206 Simplifying t + -0.78125 = -1.053732206 Reorder the terms: -0.78125 + t = -1.053732206 Solving -0.78125 + t = -1.053732206 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.78125' to each side of the equation. -0.78125 + 0.78125 + t = -1.053732206 + 0.78125 Combine like terms: -0.78125 + 0.78125 = 0.00000 0.00000 + t = -1.053732206 + 0.78125 t = -1.053732206 + 0.78125 Combine like terms: -1.053732206 + 0.78125 = -0.272482206 t = -0.272482206 Simplifying t = -0.272482206Solution
The solution to the problem is based on the solutions from the subproblems. t = {1.834982206, -0.272482206}
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