Question

Answer of this entry (a+b)(a-b)=?

Answer 1

Step-by-step explanation:

(a + b)(a - b)

a(a - b) + b(a - b)

a² - ab + ab - b²

a² - b²

So you get an identity

(a - b)(a + b) = a² - b²

hope this will help you

Answer 2

Answer:a^2-b^2

Step-by-step explanation:

(a+b)(a-b)

a(a-b)+b(a-b)

a^2-ab+ab-b^2

a^2-b^2