Respuesta :
Respuesta
(y+3)(y+3)
=(y+3)(y+3)
=(y)(y)+(y)(3)+(3)(y)+(3)(3)
=y2+3y+3y+9
=y2+6y+9
(s+m)(s+m)
=(s+m)(s+m)
=(s)(s)+(s)(m)+(m)(s)+(m)(m)
=s2+ms+ms+m2
=m2+2ms+s2
Respuesta
(y+3)(y+3)
=(y+3)(y+3)
=(y)(y)+(y)(3)+(3)(y)+(3)(3)
=y2+3y+3y+9
=y2+6y+9
(s+m)(s+m)
=(s+m)(s+m)
=(s)(s)+(s)(m)+(m)(s)+(m)(m)
=s2+ms+ms+m2
=m2+2ms+s2