Question

desenvolva os os produtos notáveis aplicando a distributiva: a)(x+y)²= b)(a+5)²= c)(1+m)²= d)(x-3)²= e)(a-4)²= f)(5-y)²​

Answer 1

$\mathtt{a)}~\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{(x+y)^2=x^2+2xy+y^2}}}}}\\\mathtt{b)}~\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{(a+5)^2=a^2+10a+25}}}}}\\\mathtt{c)}~\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{(1+m)^2=1+2m+m^2}}}}}\\\mathtt{d)}~\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{(x-3)^2=x^2-6x+9}}}}}\\\mathtt{e)} \\\large\boxed{\boxed{\boxed{\boxed{\mathsf{(a-4)^2=a^2-8a+16}}}}}\\\mathtt{f)}\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{(5-y)^2=25-10y+y^2}}}}}$