Question

Rezolvati ecuatiile:

a). (x-1)^2=9
b). 3-(x-5)^2=1
c). (3-x)(3+x)-6=2
d). 5-(x-2)(x+2)=3
e). x^2-2x+1=7
f). 4x^2-4x+1=5

Dau coroană!

Answer 1

Astea sunt răspunsurile