Solve for: 7(f+4)+2(3f-8)

Expression: $7\left( f+4 \right)+2\left( 3f-8 \right)$

To find the roots of the polynomial, set the expression equal to $0$

$7\left( f+4 \right)+2\left( 3f-8 \right)=0$

Solve the equation for $f$

$f=-\frac{ 12 }{ 13 }$

The root of the polynomial is the solution of the corresponding polynomial equation

$\begin{align*}&-\frac{ 12 }{ 13 } \\&-0.\overset{ \cdot }{ 9 } 2307\overset{ \cdot }{ 6 } \end{align*}$