Question

(a+b (a-b) = a² -b²​

Answer 1

Answer:

(a+b) (a-b) = a²-b²

Step-by-step explanation:

we use this identity for factorisation

Answer 2

Answer:

We use this identity for factorisation

some other identities :

(a+b)² = a² + b² + 2ab

(a-b) ² =a² + b² - 2ab

(a+b) (a-b) = a² - b²

Step-by-step explanation:

#hope. it helps u