Question

4x²+y²+z²-4xy-2yz+4xz

Answer 1

━━━━━━━━━━━━━━━━━━━━━

$\huge \star\rm \red{ \sf answer:}$

$\begin{gathered} \implies \sf4x² + y² + z² - 4xy - 2yz + 4xz\end{gathered}$

$\begin{gathered} \implies \sf (2x)² + y² + z² - 4xy - 2yz + 4xz\end{gathered}$

$\begin{gathered} \implies \sf(2x - y + z)² \end{gathered}$

━━━━━━━━━━━━━━━━━━━━━