For this case we must simplify the following expression:

So, if we apply distributive property to the terms within parentheses we have:

We simplify taking into account that:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major sign is placed.

Answer:

The answer is the first one. <span>(x−2)2+(y+5)2=144. Hope this helps.</span>
Answer: 9, -4
Step-by-step explanation:
We can write an equation:
xy=-36
x+y=5
Factors of -36 are: 1, -36, -1, 36, 2, -13, -2, 13, 4, -9, -9, 4, 6, -6
There are only 2 factors here that add up to -36: 9 and -4
Answer:
- 25
Step-by-step explanation:
Answer:
1. There are 8 big fish for every 10 small fish.
2. There are 4 big fish for every 5 small fish.