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WhiteRabbit
Group Title
64x^3+8=0
I know what the answers SHOULD be, I'm just so confused how to get there.
 one year ago
 one year ago
WhiteRabbit Group Title
64x^3+8=0 I know what the answers SHOULD be, I'm just so confused how to get there.
 one year ago
 one year ago

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Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
are you asked to solve for x or expand?
 one year ago

WhiteRabbit Group TitleBest ResponseYou've already chosen the best response.0
isn't it the sum of a square but in cubic form so you have 4x and 2 and then you get (4x+2) = 0 and (4x^2+8x+4)
 one year ago

WhiteRabbit Group TitleBest ResponseYou've already chosen the best response.0
i'm having trouble when using the quadratic formula because i get that x = 1/2 (right) and x=1 which is wrong.....
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
you're just asked to solve for x it looks like.. that's pretty easy
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
subtract 8 from both sides and divide both sides by 64
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
x^3 = 1/8
 one year ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.0
take the cube root of both sides x=1/2
 one year ago

WhiteRabbit Group TitleBest ResponseYou've already chosen the best response.0
i already got that part, i need the other two x's
 one year ago
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