x2 + 5x + 4
X2 + X
= 0
x + 2 x - 2
16
x - 2 3
x + 2 x2 - 4
2x - 1
5% + 6
+
2x + 1
x2 + 3x + 2 1
3x + 2 x2 - 4x + 3
x2 - x - 6
-;-=0
x2 - 4
x + 2 x2 + 4 _ ^
2x - 4 x2 - 4
1 i _ 2
x — 1 x + 2 x2 + 4x + 4
x2 - x - 2 2x2 - 5x + 2 2x2 + x - 1
1. Wstęp do algebry