Posted by **Gabby!** on Wednesday, February 22, 2012 at 11:25am.

solve the equation m^6 -64=0

- algebra 2 -
**renee**, Wednesday, February 22, 2012 at 4:54pm
M^6-64=0

M^6=64

take 6root of M^6 to get M

take 6root of 64 which =+or-2

so,M=+-2

- algebra 2 -
**Steve**, Wednesday, February 22, 2012 at 7:31pm
(m^2-4)(m^4+4m^2+16) = 0

(m+2)(m-2)(m^4+4m^2+16) = 0

so, m = 2 and -2 are solutions

Now we have a quadratic in m^2, so

m^2 = [-4 +/- sqrt(-48)]/2

= -2 +/- 4sqrt(3)i

m = +/- 1 +/- sqrt(3)i

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