• There’s no “whatever-the-fuck-your-country-calls-it”

    Yes there is. BEDMAS, BODMAS, and BIDMAS

    the US is the only country using it

    No they’re not.

    at some point they’re dropping it

    No, at no point do the order of operations rules ever get dropped

    using multiplication by juxtaposition (2x + 4x2)

    They’re called Terms/Products.