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Simplifying 4t2 = 9t + 9 Reorder the terms: 4t2 = 9 + 9t Solving 4t2 = 9 + 9t Solving for variable 't'. Reorder the terms: -9 + -9t + 4t2 = 9 + 9t + -9 + -9t Reorder the terms: -9 + -9t + 4t2 = 9 + -9 + 9t + -9t Combine like terms: 9 + -9 = 0 -9 + -9t + 4t2 = 0 + 9t + -9t -9 + -9t + 4t2 = 9t + -9t Combine like terms: 9t + -9t = 0 -9 + -9t + 4t2 = 0 Factor a trinomial. (-3 + -4t)(3 + -1t) = 0Subproblem 1
Set the factor '(-3 + -4t)' equal to zero and attempt to solve: Simplifying -3 + -4t = 0 Solving -3 + -4t = 0 Move all terms containing t to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -4t = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4t = 0 + 3 -4t = 0 + 3 Combine like terms: 0 + 3 = 3 -4t = 3 Divide each side by '-4'. t = -0.75 Simplifying t = -0.75Subproblem 2
Set the factor '(3 + -1t)' equal to zero and attempt to solve: Simplifying 3 + -1t = 0 Solving 3 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1t = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1t = 0 + -3 -1t = 0 + -3 Combine like terms: 0 + -3 = -3 -1t = -3 Divide each side by '-1'. t = 3 Simplifying t = 3Solution
t = {-0.75, 3}
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