Respuestas

  • Usuario de Brainly
2013-11-12T00:14:06+01:00
M6p6-q6 =(m3p3-q3)(m3p3+q3)=(mp-q)(m2p2-mpq+q2)(mp+q)(m2p2+mpq+q2)

qt2+s2-r4-6ts  agrupamos (9t2-6ts)(s2-r4)=3t(3t-2s)(s-r2)(s+r2)

t2+7t-18 = (t +9)(t-2)

z2-zy-12y2 =(z-4y)(z+3y)