1) 2x + 4x =
2) (5y + 3) + (2y - 1) =
3) (-3a²) + (a) + (2a²) =
4) 10m - 8m =
5) (75 + 6) -(5s + 6) =
6) (5r)(r) =
7) (2)(n-4) =
8) (p) (2p)(4p) =
9)
1825
6k3
10)
15x7y2
3x576
(paki answer po)​