Question

( a+b ) × ( a_b )= a2 _ b2

Answer 1

(a+b)×(a-b)=a(a+b)×b(a-b)=


I hope it will help you

Answer 2

(a+b)×(a-b)=a(a-b)+b(a-b)=a^2-ab+ab-b^2=a^2-b^2