8(х-7) (8-m)x15 22(7x+4) 7(3m+9n-18p) (2a-5b+3c)x12
8(х - 7) = 8х - 56 (8 - m) * 15 = 120 - 15m 22(7x + 4) = 154x + 88 7(3m + 9n - 18p) = 21m + 63n - 126p (2a - 5b + 3c) * 12 = 24a - 60b + 36c
8х-56 120-15m 154x+48 21m+63n-126p 24a-60b+36c