1) 3(8+b) = 3*8+3b = 24+3b;
2) 8(x-7) = 8x-8*7 = 8x-56;
3) (8-m)*15 = 15*8-15m = 120-15m;
4) 22(7x+4) = 22*7x+22*4 = 154x+88;
5) 7(3m+9n-18p) = 7*3m+7*9n-7*18p = 21m+63n-126p;
6) (2a-5b+3c)*12 = 12*2a-12*5b+12*3c = 24a-60b+36c.
1) 3(8+b) = 3*8+3b = 24+3b;
2) 8(x-7) = 8x-8*7 = 8x-56;
3) (8-m)*15 = 15*8-15m = 120-15m;
4) 22(7x+4) = 22*7x+22*4 = 154x+88;
5) 7(3m+9n-18p) = 7*3m+7*9n-7*18p = 21m+63n-126p;
6) (2a-5b+3c)*12 = 12*2a-12*5b+12*3c = 24a-60b+36c.