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how to factor this by grouping?
answer please:

1. xy+3x+6y+18 =________
2. (c-d)(a-3)+(c-d)(a-4) =_________
3. 5xy+5xw-yz-zw =_________



Sagot :

Answer:

1. xy+3x+6y+18 = (y+3) (x+6)

2. (c-d)(a-3)+(c-d)(a-4) = (c−d)(2a−7)

3. 5xy+5xw-yz-zw = (5x−z)(w+y)

Step-by-step explanation:

Hope this helps :>

- Btw can you mark this as brain liestt? If yes, thankyouu so much !!