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Mathematics 21 Online
OpenStudy (anonymous):

5. What are the real or imaginary solutions of the polynomial equation? x^3-8=0

OpenStudy (anonymous):

\[x^3-8=(x-2)(x^2+2x+4)\] one solution is obviously \(2\) the other two get via the quadratic formula

OpenStudy (anonymous):

i got 2, 1+2isqt# and 1-2isqt3 is that right

OpenStudy (anonymous):

#=3

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