Question

(a+b)•(a-b) Solve step by step ?

Answer 1

(a+b)(a-b)

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

a2-ab+ab-b2

a2-b2

Here is your answer

Answer 2

Step-by-step explanation:

(a+b)×(a-b)

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

=

$a {}^{2} - ab +ab + b {}^{2}$

$a {}^{2} + b {}^{2}$