Pls help will give brainlist and 100 points.
[tex]\\ \tt\hookrightarrow (x+5)(x+8)[/tex]
[tex]\\ \tt\hookrightarrow x(x+8)+5(x+8)[/tex]
[tex]\\ \tt\hookrightarrow x^2+8x+5x+40[/tex]
[tex]\\ \tt\hookrightarrow x^2+13x+40[/tex]
Done!