Question

Cuanto es el binomio de (x+9)2= (x-10)2= (2x+y)= (x+m)(x+m)= ( x-6)(x-6)=

Answer 1

(x+9)^2=(x)^2+2(x)(9)+(9)^2=x^2+18x+81

(x-10)^2=(x)^2+2(x)(10)+(10)^2=x^2+20x-100