- Started with
\[\frac{\left(-b/2\right) - \sqrt{{b/2}^2 - a \cdot c}}{a}\]
31.5
- Using strategy
rm 31.5
- Applied flip-- to get
\[\frac{\color{red}{\left(-b/2\right) - \sqrt{{b/2}^2 - a \cdot c}}}{a} \leadsto \frac{\color{blue}{\frac{{\left(-b/2\right)}^2 - {\left(\sqrt{{b/2}^2 - a \cdot c}\right)}^2}{\left(-b/2\right) + \sqrt{{b/2}^2 - a \cdot c}}}}{a}\]
31.6
- Applied simplify to get
\[\frac{\frac{\color{red}{{\left(-b/2\right)}^2 - {\left(\sqrt{{b/2}^2 - a \cdot c}\right)}^2}}{\left(-b/2\right) + \sqrt{{b/2}^2 - a \cdot c}}}{a} \leadsto \frac{\frac{\color{blue}{a \cdot c}}{\left(-b/2\right) + \sqrt{{b/2}^2 - a \cdot c}}}{a}\]
16.6
- Applied taylor to get
\[\frac{\frac{a \cdot c}{\left(-b/2\right) + \sqrt{{b/2}^2 - a \cdot c}}}{a} \leadsto \frac{\frac{a \cdot c}{\left(-b/2\right) + \sqrt{{b/2}^2 - c \cdot a}}}{a}\]
16.6
- Taylor expanded around 0 to get
\[\frac{\frac{a \cdot c}{\left(-b/2\right) + \sqrt{\color{red}{{b/2}^2 - c \cdot a}}}}{a} \leadsto \frac{\frac{a \cdot c}{\left(-b/2\right) + \sqrt{\color{blue}{{b/2}^2 - c \cdot a}}}}{a}\]
16.6
- Applied simplify to get
\[\color{red}{\frac{\frac{a \cdot c}{\left(-b/2\right) + \sqrt{{b/2}^2 - c \cdot a}}}{a}} \leadsto \color{blue}{\frac{c}{\left(-b/2\right) + \sqrt{b/2 \cdot b/2 - c \cdot a}}}\]
9.3
- Applied simplify to get
\[\frac{c}{\color{red}{\left(-b/2\right) + \sqrt{b/2 \cdot b/2 - c \cdot a}}} \leadsto \frac{c}{\color{blue}{\sqrt{{b/2}^2 - a \cdot c} + \left(-b/2\right)}}\]
9.3