It would be 4
5 - (- 1)
Would just be 5 - 1 which is 4
Answer:
Conjugate radicals.
Step-by-step explanation:
The two roots a+sqrb and a-sqr b are called conjugate radicals.
The ANSWERRRRRRR would be 32
49 is a square of 7 and 4 is a square of 2. To get 45 you need to subtract 7² and 2². Therefore, its the difference of squares.