Hey there!
[tex]Answer:\boxed{10x^2+8x+8}[/tex]
[tex]Explanation:[/tex]
[tex](2x^2+5x+6)+(8x^2+3x+2)[/tex]
Let's start off with combining like terms.
[tex]2x^2+5x+6+8x^2+3x+2\\(2x^2+8x^2)+(5x+3x)+(6+2)\\10x^2+8x+8[/tex]
[tex]\boxed{10x^2+8x+8}\text{ is your answer.}[/tex]
Hope this helps!
[tex]\text{-TestedHyperr}[/tex]