tolong bantu jawab ya soal mate saya susah banget:10,11,12.

Mapel : Matematika

No. 10 :

8x² + 23x - 3
= ( 8x - 1 ) ( x + 3 )
Jawaban : D

No. 11 :
6x² - 3x / 3x
= 2x - 1
Jawaban : C

No. 12 :
( 4a + b ) ( a - 3c )
= 4a² - 12ac + ab - 3bc
= 4a² + ab - 12ac - 3bc
Jawaban : D

Good luck ❤