Question

please help
Solve for x

Answer 1

$\frac{1}{2} x + 2 = \frac{1}{10} x {}^{2} + \frac{2}{5} x$
$- \frac{1}{10} x {}^{2} + \frac{1}{10} x + 2 = 0$
therefore by solving that you'll get
$x = - 4$
or
$x = 5$