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hartnn Group TitleBest ResponseYou've already chosen the best response.3
\(\huge a^3+b^3=(a+b)(a^2ab+b^2)\)
 one year ago

mukushla Group TitleBest ResponseYou've already chosen the best response.0
and here let a=3y and b=2
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
write 27y^3 as(3y)^3 and ^^
 one year ago

dddan Group TitleBest ResponseYou've already chosen the best response.1
alright but why is a=3 and b=2?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
nopes, a=3y, not 3
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
and u had 8, u can write that as 2^3
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
so 27y^3+8= (3y)^3+2^3 got this?
 one year ago

dddan Group TitleBest ResponseYou've already chosen the best response.1
yea so u just plug it into the equation and get (3+2)(3^2(3)(2)+2^2) right?....
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
NOT 3+2 3y+2 a=3y
 one year ago

dddan Group TitleBest ResponseYou've already chosen the best response.1
alright so then u just solve so i got (3y+2)(9y^26y+4) i this correct?
 one year ago

hartnn Group TitleBest ResponseYou've already chosen the best response.3
yes! that is correct :)
 one year ago

dddan Group TitleBest ResponseYou've already chosen the best response.1
kool thanks!
 one year ago
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