SOLUTION: work out 164 to the power 2 minus 36 to the power 2

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Question 907290: work out 164 to the power 2 minus 36 to the power 2
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
164%5E2-36%5E2

Recognize the difference of two squares. You would only need ONE multiplication; maybe easier, maybe not easier.

%28164-36%29%28164%2B36%29
128%2A200
highlight%2825600%29


(Some people can do 128%2A200 in their head)