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Mathematics 17 Online
OpenStudy (anonymous):

multiply...

OpenStudy (anonymous):

OpenStudy (mathmate):

Use FOIL.

OpenStudy (anonymous):

ive tried...i keep messing up. :( im getting upset now, i shouldnt be.

OpenStudy (mathmate):

F: 3*4=12 O: 3*(-sqrt(2))=-3sqrt(2) I : 5sqrt(2)*4 = 20sqrt(2) L: 5sqrt(2)(-sqrt(2))=-5*2=-10 Can you add them up?

OpenStudy (anonymous):

is it 2+17 SQRT 2 ???

OpenStudy (mathmate):

looks good to me! :)

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