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Simplifying 7t2 + 32t + -15 = 0 Reorder the terms: -15 + 32t + 7t2 = 0 Solving -15 + 32t + 7t2 = 0 Solving for variable 't'. Factor a trinomial. (-5 + -1t)(3 + -7t) = 0Subproblem 1
Set the factor '(-5 + -1t)' equal to zero and attempt to solve: Simplifying -5 + -1t = 0 Solving -5 + -1t = 0 Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1t = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1t = 0 + 5 -1t = 0 + 5 Combine like terms: 0 + 5 = 5 -1t = 5 Divide each side by '-1'. t = -5 Simplifying t = -5Subproblem 2
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 = 0.4285714286Solution
t = {-5, 0.4285714286}
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