
If I was solving this, which I suppose I am, my first step would be the clear the fractions by multiplying both sides by a.

That's there, first choice, SELECT IT
Then I'd bring the 5 to the other side;

Not among the choices.
Then I'd attempt to factor, looking for a pair that multiplies to 5 and adds to 8; no joy there.
Shakespeare Quadratic Formula (2b or -2b) trick:


All the other choices have nice rational answers so can't be right.
First choice only