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5r^2-44r+120 = -30r+11r

5r^2-44r+120 = -30r+11r
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5r^2-44r+120 = -30r+11r

User Harshit Satya
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5r^2-44r+120 = -30r+11r \\ \\ 5f^2 - 44r + 120 = -19r \\ \\ 5r^2 - 44r + 120 + 19r = 0 \\ \\ 5r^2 - 25r + 120 = 0 \\ \\ r = (25+5 √(71i) )/(10) , (25-5 √(71i) )/(10) \\ \\ r = (5+ √(71i) )/(2) , (5 - √(71i) )/(2) \\ \\ ANSWER: r = (5+ √(71i) )/(2) , (5 - √(71i) )/(2)
User Ryanve
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