Answer:
1. 9-63x
2 7n+70
Step-by-step explanation:
Distribution means that you multiply what is inside the parentheses by what is on the outside.
1. 9(1-7x)
9 x 1 = 9
9 x -7x = -63x
1 can be rewritten as 9-63x
2. 7(n+10)
7 x n = 7n
7 x 10 = 70
2 can be rewritten as 7n+70
