Question

formula of (a-b) (a-b)
Note - Not a+b a-b​

Answer 1

Answer:

a^2-2ab+b^2 is the formula.

Answer 2

Step-by-step explanation:

(a-b)(a-b) = (a-b)² = a²-2ab+b²

(a-b)(a+b) = a²-b²

(a+b)(a+b) = (a+b)² = a²+2ab+b²