Find the solution to the system of equations. Round to the nearest tenth if necessary.
f(x) = x² - 5
g(x) = x - 1
O (1,0) and (0, -1)
O (2.6, 1.6) and (-1.6, -2.6)
O(-2.2,0) and (2.2,0)
(2.6,-2.6)