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Simplifying 15t2 + 7t = 2 Reorder the terms: 7t + 15t2 = 2 Solving 7t + 15t2 = 2 Solving for variable 't'. Reorder the terms: -2 + 7t + 15t2 = 2 + -2 Combine like terms: 2 + -2 = 0 -2 + 7t + 15t2 = 0 Factor a trinomial. (-2 + -3t)(1 + -5t) = 0Subproblem 1
Set the factor '(-2 + -3t)' equal to zero and attempt to solve: Simplifying -2 + -3t = 0 Solving -2 + -3t = 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 + -3t = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3t = 0 + 2 -3t = 0 + 2 Combine like terms: 0 + 2 = 2 -3t = 2 Divide each side by '-3'. t = -0.6666666667 Simplifying t = -0.6666666667Subproblem 2
Set the factor '(1 + -5t)' equal to zero and attempt to solve: Simplifying 1 + -5t = 0 Solving 1 + -5t = 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 + -5t = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5t = 0 + -1 -5t = 0 + -1 Combine like terms: 0 + -1 = -1 -5t = -1 Divide each side by '-5'. t = 0.2 Simplifying t = 0.2Solution
t = {-0.6666666667, 0.2}
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