Question

Simplificări rapoartele:

a) 5x'2+5x/10x+10 ;

b) x'2-2x+1/ x'2 - 1 ;

c) x'2 -1/ (x+1)'2 ;

d) x'2-6x +9 / x'2 - 9;

e) 11x'4-11 / 22x'2 + 22 ;

f) 2x'3 - 8a'2x / ax'2+4a'2x + 4a'3 ;

g) 3x'3 - 27 a'2 x / 9ax'3-54a'2x'2,+81a'3 x

Ajutor !!!​

Answer 1

Răspuns:

Explicație pas cu pas:

5x(x+1)/10(x+1)=x/2;  b)  (x-1)²/(x-1)(x+1)=(x+1)/(x-1);  c )(x-1)(x+1);(x+1)²=(x-1)/x+1) d) (x-3)²/(x-3)(x+3)=(x-3)/(x+3)