(5x+4)(2x-1)= (3p+2c)(2p+4c)=

Question

(5x+4)(2x-1)=
(3p+2c)(2p+4c)=

Answer 1

(5x+4)(2x-1)=10х²-5х+8х-4=10х²+3х-4.
(3p+2c)(2p+4c)=6р²+12ср+4ср+8с²=6р²+16ср+8с².