No, it’s written poorly

No it isn't

drive engagement

The engagement comes from people not remembering the rules of Maths

(8-5)5

That's an invalid syntax. it's 5(8-5) or 5x(8-5), nothing else. Why is it invalid? Imagine (8-5)-5 - am I multiplying what's in the brackets by -5 (which gives -15), or subtracting 5 after doing the brackets (which gives -2)? Invalid syntax

Far easier for most people

Nope, it's wrong for everyone, due to being an invalid syntax.