Question

equaçao do 2 grau (m+5).(m-4)=m+16 resolva e quais sao as raizes da equaçao?

Answer 1

 (m+5)*(m-4)=m+16
m² -4m +5m -20 = m + 16
m² +m -m -20 -16 = 0
m² -36 = 0
m² = 36
m= +-Raiz[36]
m'= +6
m'' = -6