Question

a forma reduzida da equaçao (m - 2) (m + 2) = m - m2

Answer 1

$\mathsf{(m-2)(m+2)=m-m^2}\\\mathsf{m^2-4=m-m^2}\\\mathsf{m^2+m^2-m-4=0}\\\mathsf{2m^2-m+4=0}$

$\mathsf{\Delta=1-32=-31}\\\mathsf{s=\varnothing}$