Question

раскройте скобки
(p-g)*9
12(a+b)
5(2m-1)
(3c+5d)*14

Answer 1

p*9-g*9
12*a+12*b
5*2m-5*1

Answer 2

p*9-g*9=9p-9g
12*a+12*b=12a+12b
5*2m-5*1=10m-5
14*3c+14*5d= 42c+70d