Question

427 Раскройте скобки
4(a+2)
3(m-5)
(p-q) *9
12(a+b)
5(2m-5d)
(3c+5d)*14

Answer 1

4(a+2)=4a+8
3(m-5) =3m-15
(p-q) *9=9p-9q
12(a+b)=12a+12b
5(2m-5d)=10m-25d
(3c+5d)*14=42c+70d