Los op vir x as \( x\left( {{x^2} - 5} \right)\left( {x + 7} \right)\left( {2x - 1} \right) = 0 \)
\(
x\left( {{x^2} - 5} \right)\left( {x + 7} \right)\left( {2x - 1} \right) = 0\\
\)
\( {x = 0} \)
\( \begin{align} {x^2}- 5&=0 \\ x&=\pm \sqrt 5 \end{align} \)
\( \begin{align} x+7&=0 \\ x&=-7 \end{align} \)
\( \begin{align} 2x-1&=0 \\ x&=\frac{1}{2} \end{align} \)