Find the sum and difference for each given.
1. (2h + 3) and (3h – 6)
2. (4x – 6y + 3z) and (3x – 9y + 10z)
3. (11p2 + 8r) and (7p2 + 5)
4. (7w3 – 3w2 + w) and (-7w3 + 2w2 – w)
5. (23mn3 – 7m2 + 8mn) and (4mn3 + m2 - mn)
1. (2h + 3) and (3h – 6)
2. (4x – 6y + 3z) and (3x – 9y + 10z)
3. (11p2 + 8r) and (7p2 + 5)
4. (7w3 – 3w2 + w) and (-7w3 + 2w2 – w)
5. (23mn3 – 7m2 + 8mn) and (4mn3 + m2 - mn)
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this is math not English