Question

usa as regras de fatoração e resolva a expressao : a^3b^3-125

Answer 1

$a^{3} b^{3} -125= (ab)^{3} - 5^{3} =(ab-5).[ (ab)^{2} +5ab+ 5^{2} ]$$=(ab-5).(a^{2} b^{2} +5ab+ 25 )$