Question

Multiply. Simplify by combining like terms. (m+11N)^2

Answer 1

(m+11n)^2
=(m+11n)(m+11n)
=m^2+11mn+11mn+121n^2
=m^2+22mn×121n^2


For Example;

use FOIL: (a+b)(a+b)

First. a^2
Outside. ab
Inside. ab
Last. b^2