Which polynomial identity will prove that 65 = 81 - 16

9^2 - 4^2 = (9 + 4)(9 - 4)
So the polynomial identity used here is

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.

Maybe fx = lxl because of the way the x is positioned is that what he