Simplify the following:
7 x-2 (x-2)+5 (x+3)
-2 (x-2) = 4-2 x:
7 x+4-2 x+5 (x+3)
5 (x+3) = 5 x+15:
5 x+15+7 x-2 x+4
Grouping like terms, 7 x+5 x-2 x+4+15 = (7 x-2 x+5 x)+(4+15):
(7 x-2 x+5 x)+(4+15)
7 x-2 x+5 x = 10 x:
10 x+(4+15)
4+15 = 19:
Answer: |
| 10x+19
