Question

Упростите выражение: 1) -2/3a●(-6b); 2) 84b-17(2b-3)

Answer 1

1)-2/3a×(-6b)=2/3а×6b=2a×2b=4ab
2)84b-17(2b-3)=84b-34b+51=50b+51

Answer 2

1) -²/₃a×(-6b) = ²ˣ⁶/₃ ab = 4ab

2) 84b-17(2b-3) = 84b - (34b-51) = 84b - 34b + 51 = 50b + 51 = 50(b+1)