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Simplifying t * t + 2t + -48 = 15 Multiply t * t t2 + 2t + -48 = 15 Reorder the terms: -48 + 2t + t2 = 15 Solving -48 + 2t + t2 = 15 Solving for variable 't'. Reorder the terms: -48 + -15 + 2t + t2 = 15 + -15 Combine like terms: -48 + -15 = -63 -63 + 2t + t2 = 15 + -15 Combine like terms: 15 + -15 = 0 -63 + 2t + t2 = 0 Factor a trinomial. (-9 + -1t)(7 + -1t) = 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 '(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 = {-9, 7}
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