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Simplifying 0 = -16t2 + 20t + 50 Reorder the terms: 0 = 50 + 20t + -16t2 Solving 0 = 50 + 20t + -16t2 Solving for variable 't'. Combine like terms: 0 + -50 = -50 -50 + -20t + 16t2 = 50 + 20t + -16t2 + -50 + -20t + 16t2 Reorder the terms: -50 + -20t + 16t2 = 50 + -50 + 20t + -20t + -16t2 + 16t2 Combine like terms: 50 + -50 = 0 -50 + -20t + 16t2 = 0 + 20t + -20t + -16t2 + 16t2 -50 + -20t + 16t2 = 20t + -20t + -16t2 + 16t2 Combine like terms: 20t + -20t = 0 -50 + -20t + 16t2 = 0 + -16t2 + 16t2 -50 + -20t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -50 + -20t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-25 + -10t + 8t2) = 0 Factor a trinomial. 2((-5 + -4t)(5 + -2t)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-5 + -4t)' equal to zero and attempt to solve: Simplifying -5 + -4t = 0 Solving -5 + -4t = 0 Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -4t = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4t = 0 + 5 -4t = 0 + 5 Combine like terms: 0 + 5 = 5 -4t = 5 Divide each side by '-4'. t = -1.25 Simplifying t = -1.25Subproblem 2
Set the factor '(5 + -2t)' equal to zero and attempt to solve: Simplifying 5 + -2t = 0 Solving 5 + -2t = 0 Move all terms containing t to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2t = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2t = 0 + -5 -2t = 0 + -5 Combine like terms: 0 + -5 = -5 -2t = -5 Divide each side by '-2'. t = 2.5 Simplifying t = 2.5Solution
t = {-1.25, 2.5}
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