Polsl-Notes/PI/Ćwiczenia/20221010123607.md

a=0 \land b=0 \land c=0 \Rightarrow x \in \mathbb{R} a=0 \land b=0 \land c \ne 0 \Rightarrow x = \emptyset a=0 \land b \ne0 \Rightarrow x = \frac {-c}{b} a \ne 0 \Updelta = b^2 -4ac ax^2 + bx + c = 0 x \in \mathbb{R} ; a,b,c \in \mathbb{R}