Answer: B
Step-by-step explanation:
I like how he question asks to subtract and the expression shown is addition lol
[tex]\begin{array}{l}\frac{a+1}{2a}+\frac{3}{a^2}\\\\=\frac{a\left(a+1\right)-6}{2a^2}\\\\=\frac{a^2+a-6}{a^2}\\\\=\frac{\left(x+3\right)\left(x-2\right)}{a^2}\end{array}[/tex]
