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Simplifying -16t2 + 672t + -1280 = 0 Reorder the terms: -1280 + 672t + -16t2 = 0 Solving -1280 + 672t + -16t2 = 0 Solving for variable 't'. Factor out the Greatest Common Factor (GCF), '16'. 16(-80 + 42t + -1t2) = 0 Factor a trinomial. 16((-40 + t)(2 + -1t)) = 0 Ignore the factor 16.Subproblem 1
Set the factor '(-40 + t)' equal to zero and attempt to solve: Simplifying -40 + t = 0 Solving -40 + t = 0 Move all terms containing t to the left, all other terms to the right. Add '40' to each side of the equation. -40 + 40 + t = 0 + 40 Combine like terms: -40 + 40 = 0 0 + t = 0 + 40 t = 0 + 40 Combine like terms: 0 + 40 = 40 t = 40 Simplifying t = 40Subproblem 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 = {40, 2}
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