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Mathematics 7 Online
OpenStudy (anonymous):

Can someone explain how to do (x + 3)(x - 7)?

jimthompson5910 (jim_thompson5910):

first set up a 2x2 table |dw:1377719725861:dw|

jimthompson5910 (jim_thompson5910):

at the top, we'll put the terms from x+3 |dw:1377719803091:dw|

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