17. Solve the equation 8x +1 = 5x

Given     $8x^2+1=5x$

 $\Rightarrow 8x^2+1-5x=0$

 $\Rightarrow 8x^2-5x+1=0$

Compare the above equation with $a{x}^2+bx+c=0$

we have, $x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$