Please help me on this , tyyy :]

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Harry Zhang · Answer 1 · 2022-05-28T10:22:37+0000

9514 1404 393

Answer:

(a) 1, 2

(b) 4

Explanation:

(a) 9x +81 = 9·x +9·9 = 9(x +9) . . . . . . matches first and second choices

__

(b) 10 +14y -5 -y = (14y -y) +(10 -5) = 13y +5 . . . . . . matches fourth choice only