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Simplifying -7t2 + 62t + 9 = 0 Reorder the terms: 9 + 62t + -7t2 = 0 Solving 9 + 62t + -7t2 = 0 Solving for variable 't'. Factor a trinomial. (9 + -1t)(1 + 7t) = 0Subproblem 1
Set the factor '(9 + -1t)' equal to zero and attempt to solve: Simplifying 9 + -1t = 0 Solving 9 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1t = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1t = 0 + -9 -1t = 0 + -9 Combine like terms: 0 + -9 = -9 -1t = -9 Divide each side by '-1'. t = 9 Simplifying t = 9Subproblem 2
Set the factor '(1 + 7t)' equal to zero and attempt to solve: Simplifying 1 + 7t = 0 Solving 1 + 7t = 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 + 7t = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7t = 0 + -1 7t = 0 + -1 Combine like terms: 0 + -1 = -1 7t = -1 Divide each side by '7'. t = -0.1428571429 Simplifying t = -0.1428571429Solution
t = {9, -0.1428571429}
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