( 5y + 3 ) ( 2y – 8 ) = … ?​

(5y + 3)(2y – 8)

= 5y(2y) + 5y(-8) + 3(2y) + 3(-8)

= 10y² – 40y + 6y – 24

= 10y² – 34y – 24

Penjelasan dengan langkah-langkah:

( 5y + 3 ) ( 2y – 8 )

= 5y(2y – 8) + 3(2y – 8)

= 10y² – 40y + 6y – 24

= 10y² – 34y – 24