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Simplifying 7t2 + -46t + -21 = 0 Reorder the terms: -21 + -46t + 7t2 = 0 Solving -21 + -46t + 7t2 = 0 Solving for variable 't'. Factor a trinomial. (-3 + -7t)(7 + -1t) = 0Subproblem 1
Set the factor '(-3 + -7t)' equal to zero and attempt to solve: Simplifying -3 + -7t = 0 Solving -3 + -7t = 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 + -7t = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -7t = 0 + 3 -7t = 0 + 3 Combine like terms: 0 + 3 = 3 -7t = 3 Divide each side by '-7'. t = -0.4285714286 Simplifying t = -0.4285714286Subproblem 2
Set the factor '(7 + -1t)' equal to zero and attempt to solve: Simplifying 7 + -1t = 0 Solving 7 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1t = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1t = 0 + -7 -1t = 0 + -7 Combine like terms: 0 + -7 = -7 -1t = -7 Divide each side by '-1'. t = 7 Simplifying t = 7Solution
t = {-0.4285714286, 7}
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