👤

Rezolvati in Q urmatoarele ecuatii :
a)(x-1)^2=16
b)(x-3)^2=36


Răspuns :

(x-1)²=16
x-1=+-4
x-1=4
x-1=-4
x = 5
x = -3

(x-3)²=36
x-3=+-6
x-3=6
x-3=-6
x=9
x=-3