Find each product.
6) (p + 11q)(p - 11q)

2. Originally Posted by Noelle
Find each product.
6) (p + 11q)(p - 11q)
FOIL it out:
$(p + 11q)(p - 11q) = p(p - 11q) + 11q(p - 11q) = p^2 - 11pq + 11pq - 11^2q^2$

$= p^2 - 121q^2$

-Dan

3. ## :(

i need like step by step instructions. i don't understand just by looking at all of that >_<

4. Originally Posted by Noelle
i need like step by step instructions. i don't understand just by looking at all of that >_<
that was step by step. you expand brackets by taking each term in one set of brackets and multiplying everything in the other set. then add up the new terms