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SmoothMathBest ResponseYou've already chosen the best response.2
Foil \[i^2 = (1)\] group like terms
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.0
you know how to FOIL right?
 one year ago

lgbasalloteBest ResponseYou've already chosen the best response.0
you should give a medal to the person who helped you so he'll know you got it ;D
 one year ago

radarBest ResponseYou've already chosen the best response.1
If you don't like FOIL you might want to try to multiply the "ole fashion way" 8 i 15i  8+i +40i +5i^2  8 +41i5 Consolidating: 3+41i
 one year ago

SmoothMathBest ResponseYou've already chosen the best response.2
Oh, I like that, Radar. Never actually seen that.
 one year ago

radarBest ResponseYou've already chosen the best response.1
Same thing as foil, but in a way you can see it.
 one year ago

radarBest ResponseYou've already chosen the best response.1
Being 73 yrs old, that was the way I first saw it, but now most do it mentally using foil.
 one year ago

SmoothMathBest ResponseYou've already chosen the best response.2
Oh my. Old guy is tech savvy. =D
 one year ago
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