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Find the following products: (i)2a^3(3a...

Find the following products: (i)`2a^3(3a+5b)` (ii) `-11 a(3a+2b)` (iii)`-5a(7a-2b)`

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(i)`2a^3(3a+5b)`
`=6a^4+10a^3b`

(ii) `-11 a(3a+2b)`
`=-33a^2-22ab`

(iii)`-5a(7a-2b)`
`=-35a^2+10ab`
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