Question

I forgot someone help me plz

Answer 1

1st Method:

(3² -2²) / (3-2)² = (9-4) / (1²)  = 5

2nd Method:

(3² -2²) / (3-2)² = (3-2)(3+2) / (3-2)², after simplification by (3-2), the remaining numerator = (3+2) n= 5

Answer 2

Write the conjugates of them then FOIL both the top and bottom, then factor