answer these both math question
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Answer:
option A for first one
option D for second one
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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....
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