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Mathematics 20 Online
OpenStudy (anonymous):

A square piece of cardboard has a side length of x inches. If you cut a 2 inch by 2 inch square out of each corner, and fold the sides up, you get a box. How can you represent the volume of this box using one variable?

jimthompson5910 (jim_thompson5910):

start with an x by x square |dw:1379722125647:dw|

jimthompson5910 (jim_thompson5910):

cut 2 by 2 inch square corners out |dw:1379722162162:dw|

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