Question

multiply 4a2 + 2ab + b²and 2a-b​

Answer 1

4a^2 + 2ab + b^2 × 2a - b

(8a^3 + 4a^2b + 2ab^2) ( 4a^2b + 2ab^2 + b^3 )

( 12a^5b + 2ab^2 ) ( 6a^3b^3 + b^3 )

( 14a^6b^3 ) ( 6a^3b^6 )

14a^6b^3 × 6a^3b^6

answer = 84 a^9 b^9