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magepker728
 3 years ago
(x3)^3+8=0
magepker728
 3 years ago
(x3)^3+8=0

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helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1add 8 to both sides

magepker728
 3 years ago
Best ResponseYou've already chosen the best response.0well i got to this part x^319=0

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1no \[ \large (x3)^3=8 \]

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1now take cubic roots of each side

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1no \[ \large \sqrt[3]{(x3)^3}=\sqrt[3]{8}=2 \]

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1then u have \[ \large x3=2 \]

magepker728
 3 years ago
Best ResponseYou've already chosen the best response.0ook so now why did you subtract 8 from both side instead of doing the parenthesis

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1if u had done that, in the end u would have had to use syntthetic division or something else to solve the equation. it is not a bad idea, but it is harder

magepker728
 3 years ago
Best ResponseYou've already chosen the best response.0so how do know when to do your method

magepker728
 3 years ago
Best ResponseYou've already chosen the best response.0how would i know when do apply your method

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1did they teach the order of operations?

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1come on... for real??

magepker728
 3 years ago
Best ResponseYou've already chosen the best response.0oo my bad didnt read read the question right

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1well. take a look at this \[ \large (73)^8+8= \]

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1tell me step by step how would u compute this

magepker728
 3 years ago
Best ResponseYou've already chosen the best response.0if i were do do this i would find the difference of the number in parenthesis, then raise the result to the 8th power and then add it to 8

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1to solve an equation u do that but in reverse order: 1st undo +8 2nd undo ^3 3rd undo 3 got it?

helder_edwin
 3 years ago
Best ResponseYou've already chosen the best response.1did they (your teachers) taught you this?

magepker728
 3 years ago
Best ResponseYou've already chosen the best response.0i dont remember something like this lol
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