Respuesta :
[tex]√8ab+ √72ab+ √50ab- √288ab = √4.2ab+ √4.9.2ab+ √25.2ab- √4.4.9.2ab
= 2 √2ab + 2.3 √2ab+ 5 √2ab - 2.2.3 √2ab
= (2 + 6 +5 – 12) √2ab = √2ab [/tex]