Question

Please hurry! a^2+b^2=10 and ab=2. Find (a-b)^2

Answer 1

Answer:

(a - b)² = 6

Step-by-step explanation:

The expansion of (a - b)² using FOIL is

(a - b)² = a² + b² - 2ab ← substitute given values

           = 10 - 2(2)

           = 10 - 4

           = 6