Question

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Answer 1

does that to mean squared

Answer 2

sory 2

Answer 3

i would start with
\[3x^3+4x+4=0\]so make life easier

Answer 4

then you can use the quadratic formula without all those annoying minus signs

Answer 5

i think it would be -7x - 4 = o
Then add the 4 to both sides
That would be - 7x = 4
Then i would divide not sure though

Answer 6

no wait thats not right sorry

Answer 7

i was thinking it was a different kind of problem

Answer 8

give me a sec

Answer 9

\[\frac{-2\pm2\sqrt{2}i}{3}\] looks good !