you can write that like this:
try to factor this expression with difference of the squares method.
Hi. I had this practice problem for learning factoring:
I eventually gave up, but the answer was:
I'm wondering if anyone understands what steps were taken. (Which unfortunately were not described on the answer page.) I tried distributing, grouping, and factoring formulas, but the closest I got (if you want to call it progress) was:
Anyway, I'm about at the point now where I can hardly see the numbers clearly...