X^4=256
x^4-256=0
(x^2)^2-(16)^2=0
(x^2+16)(x^2-16)=0
either x^2+16=0
it gives complex roots.
or x^2-16=0
or x^2-4^2=0
(x+4)(x-4)=0
either x+4=0,x=-4
or x-4=0
x=4
It would be written as 721/10. Hope this helps.
Answer:
Awe she is so cute!!!!!!! She looks like a Brown lab and a poodle mix. I WISH I COULD HAVE HER!
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