Упростите выражение 5(3+8m)+(4m-5)^2

Question

Упростите выражение 5(3+8m)+(4m-5)^2

Answer 1

= 15 + 40M + 16M^2 - 40M + 25 = 16M^2 + 40 

Answer 2

15+40m+4m-5:2= 10+44m:2

Answer 3

15+40m+4m-5:2= 10+44m:2