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Mathematics 19 Online
OpenStudy (anonymous):

(2k+1)(k-4) A 2k^2-7k+4 B 2k^23k+4 C 2k^2+9k+4 D 2k^2-7k-4

OpenStudy (kidrah69):

Use foil

OpenStudy (kidrah69):

OpenStudy (anonymous):

@Kitten_is_back

OpenStudy (anonymous):

D

OpenStudy (kidrah69):

yep :)

OpenStudy (anonymous):

can you help me with one more

OpenStudy (kidrah69):

yep :)

OpenStudy (kidrah69):

post it here :)

OpenStudy (anonymous):

(-3y+2')(y+3) A -3y^2-7y+6 B 3y^2-11y+6 C 3y^2-7y-6 D 3y^2+11y++6 i tried to use foil i couldnt find the answer

OpenStudy (kidrah69):

(-3y + 2)(y + 3) = (-3y * y) + (2 * y) + (-3y * 3) + (2 * 3)

OpenStudy (anonymous):

is it A

OpenStudy (anonymous):

@kidrah69

OpenStudy (kidrah69):

yes

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