Answer:
B
Step-by-step explanation:
Step-by-step explanation:
1. x^2 + 10x + 25
2. x^2 - 25
.........
4A - 1 is the length of a side of a square
You have to reduse it, so you take the top number and see how mant times it can go into the bottem number then divide the number it goes into both numbers