MORE COMPLICATED FOIL
EXAMPLES:
Simplify: $(2x+3)(x-1)$
Answer: 2x^2 + x - 3
Note:   Input exponents using the ‘ ^ ’ key.
Simplify: $(x-3)(-x+4)$
Answer: -x^2 + 7x - 12
Master the ideas from this section
Simplifying $\,(a+b)^2\,$ and $\,(a-b)^2$
$\,x^2\,$ term first, $\,x\,$ term next, constant term last.