Question

Descompuneti in factori:

a) (x+√ ̅3)² - (2√3)²

Answer 1

= ( x+r3-2r3)( x+r3+2r3) = ( x - radical din3 ) ( x + 3 radical din 3) 

p.s ( r - radical) 

Answer 2

(x+√3-2√3)(x+√3+2√3)=(x-√3)(x+3√3)