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Mathematics 11 Online
OpenStudy (anonymous):

(-4h+2)(3h+7)

OpenStudy (saifoo.khan):

Use FOIL.

OpenStudy (saifoo.khan):

(a+b)(c+d) a(c) + a(d) + b(c) + b(d)

OpenStudy (anonymous):

first outside inside last |dw:1334360647314:dw|

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