Find each product. 6) (p + 11q)(p - 11q)
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Originally Posted by Noelle Find each product. 6) (p + 11q)(p - 11q) FOIL it out: $\displaystyle (p + 11q)(p - 11q) = p(p - 11q) + 11q(p - 11q) = p^2 - 11pq + 11pq - 11^2q^2$ $\displaystyle = p^2 - 121q^2$ -Dan
i need like step by step instructions. i don't understand just by looking at all of that >_<
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
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