(a+b) (a-b) = a(a-b)+b(a-b) = aa-ab+ba-bb = a2-ab+ba-b2= a2-b2
The post (a+b) (a-b) first appeared on Best Assignment Doers.
The post (a+b) (a-b) appeared first on Best Assignment Doers.
(a+b) (a-b)
May 3, 2026 ·
May 3, 2026 ·
(a+b) (a-b) = a(a-b)+b(a-b) = aa-ab+ba-bb = a2-ab+ba-b2= a2-b2
The post (a+b) (a-b) first appeared on Best Assignment Doers.
The post (a+b) (a-b) appeared first on Best Assignment Doers.