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II. Add / Subtract the following polynomials 1. 3a + 4a = 2. (-4m) + (-m) + 8m = 3.-3a-2a = 4. (3x + 4y - 9) + (x-4y-5) = 5 1-8-y)-(x-1) =​

Sagot :

Answer:

1. 7a

2. 4m2 + 8m

3. - 5a

4. 3x2 - 16y2

5. -xy - 7x + y + 7 (not sure)

Explanation:

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