This is LaTeX code:

[latex]
\displaystyle \varphi : \mathbb{R}\left[ x\right]\longrightarrow \mathbb{R}\left[ x\right]/\left< x+2 \right> \times \mathbb{R}\left[ x\right]/\left< x+3 \right> \times \mathbb{R}\left[ x\right]/\left< 3x+5 \right> 
[/latex]