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Find the products: (7a-5b)(49 a^2+35 a...

Find the products: `(7a-5b)(49 a^2+35 a b+25 b^2)`

Text Solution

Verified by Experts

Given:
`(7a−5b)(49a^2+35ab+25b^2)`
`=(7a−5b)((7a)^2+7axx5b+(5b)^2)`
`=(7a)^3−(5b)^3`
`=343a^3−125b^3`
Hence the product is
`343a^3−125b^3`
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