Question

Completati in spatiile ___ :
a) 9$a^{2}$-6ab+$b^{2}$=(___-$b)^{2}$
b) 3$x^{2}$+4$\sqrt{3}$xy+4$y^{2}$=(___+2$y)^{2}$

Answer 1

a) 3a
b) $\sqrt{3} x$

Answer 2

[tex]La~a)3a. \\ ~~~~~~b) \sqrt{3}\cdot x [/tex]