When you take any polynomial and subtract any other polynomial from it you always get a third polynomial that is the closure property
Answer:
8.7
Step-by-step explanation:
20^2-18^2=76
square root of 76 is 8.7 to the nearest tenth
in the picture will explain the explanation
Answer:
[4 + 1] *[7-2] =25
Step-by-step explanation:
[4 + 1] *[7-2] =25
We need to get to 25
What makes 25
5*5
4+1 =5
7-2 =5
5*5 =25
So we need brackets around 4+1 and around 7-2