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Factorize each of the following expressi...

Factorize each of the following expressions by splitting the middle term: `9(x-2y)^2-4(x-2y)-13`

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`9(x-2y)^2-4(x-2y)-13`
`=9(x−2y)^2+9(x−2y)−13(x−2y)−13`
`=9(x−2y)(x−2y+1)−13(x−2y+1)`
`=(x−2y+1)(9x−18y−13)`
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