Question

How do you FOIL `(3x - 4) (3x + 2)`?

Answer 1

#{: ("First", 3x xx 3x, " = ", 9x^2), ("Outside", 3x xx 2, " = ", 6x), ("Inside", (-4)xx3x, " = ", -12x), ("Last", (-4) xx2, " = ", -8) :}#

`= 9x^2-6x-8`