Answer:
[tex] {a}^{2} - 2ab + {b}^{2} [/tex]
Step-by-step explanation:
too easy:)
a^2 - 2ab + b^2
(a-b)^2
(a-b)*(a-b)
(a*a)
(a*-b)
(-b*a)
(-b*-b)
a^2-ba-ba+b^2
a^2-2ba+b^2