👤

.
II. ADD
5. 4x + 3x =
6. (2x - 5) + (4x + 7)
7. (5mºn2 - 4m2n + 3mn2 + 2mn) + (3min2 - 2m2n + 7mn)
V. SUBTRACT
8. 9y - 4y =
9. (7x + 2y) - (3x - 9y)
10. (2x3 + 3x2 - 4x + 5) - (7x3 - 8x + 1 + 5x2)​


Sagot :

Answer:

1. 7x

2. 6x + 2

3.

1. 5y

2. 4x - 7y

3.

Answer:

5. 7x

6. 6x+2

8. 5y

9. 4x+11y

10. -4×3-2x2+4x+4

Step-by-step explanation:

i hope it can help u