Question

binomio al cuadrado (3m+5n)2 =

Answer 1

(a+b)^2=a^2+2ab+b^2
(3m+5n)^2=9m^2+30mn+25n^2

Answer 2

$(3m+5n)^{2} = (3m) ^{2} + 2(3m)(5n) + (5n) ^{2} = 9m^{2} +30mn + 25n^{2}$