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Last updated at Dec. 26, 2018 by Teachoo
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Example 12 Find the factors of ใ"3m" ใ^2+ 9m + 6. ใ"3m" ใ^2+ 9m + 6 Taking 3 common, = 3 (๐^2+3๐+2) By middle term splitting = 3 (๐^2+๐+2๐+2) Both have m as common factor Both have 2 as common factor = 3 [๐(๐+1)+2(๐+1)] Taking (m + 1) common, = ๐(๐+๐)(๐+๐) Splitting the middle term We need to find two numbers whose Sum = 3 Product = 2 So, we write 3m = m + 2m
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