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Simplifying -4 = 30t + -16t2 Solving -4 = 30t + -16t2 Solving for variable 't'. Reorder the terms: -4 + -30t + 16t2 = 30t + -30t + -16t2 + 16t2 Combine like terms: 30t + -30t = 0 -4 + -30t + 16t2 = 0 + -16t2 + 16t2 -4 + -30t + 16t2 = -16t2 + 16t2 Combine like terms: -16t2 + 16t2 = 0 -4 + -30t + 16t2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-2 + -15t + 8t2) = 0 Factor a trinomial. 2((-1 + -8t)(2 + -1t)) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-1 + -8t)' equal to zero and attempt to solve: Simplifying -1 + -8t = 0 Solving -1 + -8t = 0 Move all terms containing t to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -8t = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -8t = 0 + 1 -8t = 0 + 1 Combine like terms: 0 + 1 = 1 -8t = 1 Divide each side by '-8'. t = -0.125 Simplifying t = -0.125Subproblem 2
Set the factor '(2 + -1t)' equal to zero and attempt to solve: Simplifying 2 + -1t = 0 Solving 2 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1t = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1t = 0 + -2 -1t = 0 + -2 Combine like terms: 0 + -2 = -2 -1t = -2 Divide each side by '-1'. t = 2 Simplifying t = 2Solution
t = {-0.125, 2}
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