AndraSt AndraSt 20-03-2014 Matematică a fost răspuns Rezolvati in R ecuatiile:a) x√2 +1= x+√2 b) x√7+ 3√5=3√7+x√5c)√3( x-1)-√5( x+2)= x-3√3+2d) (2x+3)²- (x+2)(x-2)= 3x²+8x+1