Question

раскройте скобки 4(а+2) 3(m-50 (p-q)*9  12(f+b) 5(2m-1) (3 c +5d)*14!

Answer 1

4(а+2)=4a+8
3(m-50)=3m-150
(p-q)*9=9p-9q
12(f+b)=12f+12b
5(2m-1)=10m-5
(3c +5d)*14=42c+70d