Question

Раскройте скобки (7-x)*6, 9(y+4) (5x+4y)*8. (y-5)*3. (9-3в)*2. 10(5c+7x)

Answer 1

(7 - x) · 6 = 42 - 6х
9(y + 4) = 9у + 36
(5x + 4y) · 8 = 40х + 32у
(y - 5) · 3 = 3у - 15
(9 - 3b) · 2 = 18 - 6b
10(5c + 7x) = 10 · 5c + 10 · 7x = 50c + 70x

Answer 2

СПС

Answer 3

42-6х
36+9у
40х+32у
3у-15
18-6в
50с+70х