Question

Factorizing x^4+3x^2+2?

Answer 1

\(\bf x^4+3x^2+2\implies ({\color{blue}{ x^2}})^2+3{\color{blue}{ x^2}}+2\qquad \qquad {\color{blue}{ u=x^2}}\quad thus
\\ \quad \\

\begin{array}{cccllll}
{\color{blue}{ u}}^2&+3{\color{blue}{ u}}&+2\\
&\uparrow &\uparrow \\
&2+1&2\cdot 1
\end{array}\)

Answer 2

Thank you so much

Answer 3

yw