Find the product (7a-5b)(49a square+35ab+25b square plz give answer fast
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Step-by-step explanation:
(a^3-b^3)=(a-b)(a^2+ab+b^2)
Hence, (7a-5b)(49a^2+35ab+25b^2)
=(7a-5b)[(7a)^2+(7a*5b)+(5b)^2]
=[(7a)^3-(5b)^3]
where, a=(7a)^3 and b=(5b)^3
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