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Mathematics 16 Online
OpenStudy (anonymous):

Find the area of the rectangle

OpenStudy (anonymous):

OpenStudy (anonymous):

i know this is like the other one but im confused on this one

OpenStudy (turingtest):

did you set it up as\[\ell\times w=(4+\sqrt6)(2+\sqrt6)\]???

OpenStudy (anonymous):

oh :) so it would be

OpenStudy (turingtest):

not quite... Foil it out slowly. Make sure you get each term. there should be a total of four terms after you FOIL and before you simplify.

hero (hero):

Hi Lisa :D

OpenStudy (anonymous):

hero :))

OpenStudy (anonymous):

TT ok ill re caculate

OpenStudy (paxpolaris):

\[(4+\sqrt6)(2+\sqrt6)= 4(2+\sqrt6)+\sqrt6(2+\sqrt6)\]

OpenStudy (turingtest):

I will FOIL this one out for you\[(4+\sqrt6)(2+\sqrt6)=2*4+3\sqrt6+4\sqrt6+(\sqrt6*\sqrt6)\]PaxP's way works too.

OpenStudy (anonymous):

is this right?

OpenStudy (turingtest):

Yup :) nice job!

OpenStudy (anonymous):

thx :)

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