Question

answer these both math question​

Answer 1

Answer:

option A for first one

option D for second one

Answer 2

Answer:

18. (2y-3)²

19. 105xyz

Step-by-step explanation:

18. 4y²-12y+9

⇒ 4y²-6y-6y+9

⇒ 2y(2y-3)-3(2y-3)

⇒ (2y-3)(2y-3)

⇒ (2y-3)²

19. 3x*5y*7z

⇒ (3*5*7)xyz

⇒ 105xyz

Hope you find it helpful....