А)(7b-c²)(7b+c²)=? Б)(6b²+a)²=? В)(5a+b)²*(5a-b)²=?...

evaanisimova @evaanisimova

July 2022 1 8 Report

А)(7b-c²)(7b+c²)=? Б)(6b²+a)²=? В)(5a+b)²*(5a-b)²=?.

Answers & Comments

rubilovalex А). (7b-c^2)*(7b+c^2)=49b^2-c^4; б). (6b^2+a)^2=36b^4+12ab^2+a^2. в). не знаю

1 votes Thanks 2

jerrystreet в) вроде 625a^4-b^4

evaanisimova спасибо

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