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Mathematics 16 Online
OpenStudy (anonymous):

Find the missing coefficient. (4d-4)(3d-2)=12d^2+____d+8 a. 20 b. 4 c. -4 d. -20

Nnesha (nnesha):

foil

Nnesha (nnesha):

do you know about foil method ??

OpenStudy (triciaal):

expand the left hand side then compare each term with the right hand side

OpenStudy (anonymous):

what the foil method @Nnesha

OpenStudy (anonymous):

@triciaal I have to simplify both sides?

Nnesha (nnesha):

|dw:1421288349878:dw| multiply 2nd parenthesis by 4d and then multiply 2nd parenthesis by -4

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