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What are the possible expression for the dimensions of a cuboid whose value is `2k y^2+6k y-20 k`

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`2k y^2+6k y-20 k=2k(y^2+3 y-10)`
`=2k(y^2+5 y-2 y-10) `
`=2k(y(y+5) -2 (y+5)) `
`=2k(y+5) (y-2) `
Dimensions will be like`:.l=2k,b=y+5,h=y-2`
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