A3.4: Solve complicated quadratic equationsComplicated Quadratic 11Solve the following quadratic equation:
\( \frac{x+2}{x^2-x-6}=3-\frac{4}{x-3} \)
If there are multiple rational answers, put them in braces {} separated by commas. If there are multiple irrational and/or imaginary answers, use the +/- sign.