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Mathematics 20 Online
OpenStudy (anonymous):

foil to find the product (4x^2-7)(x^9-2)

OpenStudy (saifoo.khan):

\[4 x^{11}-7 x^9-8 x^2+14 \]

OpenStudy (campbell_st):

the easy way to do this is with a multiplication grid |dw:1334547196443:dw|

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