WHAT'S 60 PLUS 9?

Okay, so let's get started.

The first thing that you're gonna do is remember your rules when it comes to PEMDAS, okay?

That's parentheses, exponents, multiplication, division, addition, and subtraction.

Well, in this case, we can't solve the parentheses because we don't know what x is,

so instead we're gonna start with distributing.