$$4(3)+(4)(x-2)=(x-1) { \left(x-1 \right) }^{ 2 }$$
$x = \frac{9 ^ {\frac{2}{3}} {(\sqrt[3]{4 {(\sqrt{69} + 9)}} + \sqrt[3]{4 {(9 - \sqrt{69})}} + \sqrt[3]{9})}}{9} \approx 3.649435914$
