Question

(a - b)² - 4
Pls guys solve and tell fast​

Answer 1

Answer:

first you can write the formula of a minus b whole square and then you can get it

Answer 2

Step-by-step explanation:

(a-b)²-4

(a-b)(a-b)-4

a(a-b)-b(a-b)-4

a²-ab-b(a-b)-4

solution:a²-2ab+b²-4