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anonymous
 3 years ago
how do you factor 27y^3+8?
anonymous
 3 years ago
how do you factor 27y^3+8?

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.3\(\huge a^3+b^3=(a+b)(a^2ab+b^2)\)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0and here let a=3y and b=2

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.3write 27y^3 as(3y)^3 and ^^

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0alright but why is a=3 and b=2?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.3and u had 8, u can write that as 2^3

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

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0yea so u just plug it into the equation and get (3+2)(3^2(3)(2)+2^2) right?....

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0alright so then u just solve so i got (3y+2)(9y^26y+4) i this correct?
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