The first three steps in determining the solution set of the system of equations, y = x2 - 2x + 8 and y = 2x + 11, algebraically
are shown in the table.
step
step 1
step 2
step 3
equation
-x° -2x+8 - 2x+11
0 - x² + 4x+3
0-(x + 1)(x+3)
which represents the solution(s) of this system of equations?
(-3,-1)
(-3,5)
(-3,5) and (-1,9)
(1, 13) and (3, 20)