Use algebra to find the set of values of xxx for which ∣2x2+x−3∣>3∣1−x∣\begin{align*} \left|2x^2 + x - 3\right| > 3|1 - x| \end{align*}2x2+x−3>3∣1−x∣ (7) Solutions based entirely on graphical or numerical methods are not acceptable.
