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Mathematics 11 Online
OpenStudy (anonymous):

(m+1)(2m+7)=3(m+4)-9 use hte quadratic formula

OpenStudy (anonymous):

first gotta multiply out and combine like terms. no free lunch here

OpenStudy (anonymous):

when i factored it all out in the end i for 2n^2+6m+7

OpenStudy (anonymous):

2m^2+6m+4 my bad

OpenStudy (anonymous):

that is better.

OpenStudy (anonymous):

then i divided by 2

OpenStudy (anonymous):

now to solve using the formula, give yourself a break and divide by 2

OpenStudy (anonymous):

i got m^2+3m+2=0

OpenStudy (anonymous):

then forget the formula because this one factors

OpenStudy (anonymous):

of course you can use it if you like, but this factors so easily it is a waste of time

OpenStudy (anonymous):

(m+2)(m+1)

OpenStudy (anonymous):

-2,-1

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