Question

No 3 . f nyaa...
jlan nyaa aku nngakh ngertii tolongg donkk..

Answer 1

Semoga jelas ya sekarang.. ^_^

Answer 2

(3k-5) (k^2+2k-6)
= 3k.k^2+3k.2k-3k.6-5.k^2-5.2k+5.6
= 3k^3 + 6k^2-18k-5k^2-10k + 30
= 3k^3 + k^2 -28k +30