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

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Algebraic!
 2 years ago
Best ResponseYou've already chosen the best response.0are you asked to solve for x or expand?

WhiteRabbit
 2 years ago
Best ResponseYou've already chosen the best response.0isn'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)

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

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

Algebraic!
 2 years ago
Best ResponseYou've already chosen the best response.0subtract 8 from both sides and divide both sides by 64

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

WhiteRabbit
 2 years ago
Best ResponseYou've already chosen the best response.0i already got that part, i need the other two x's
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