SOLUTION: Please help me in solving x^4-64. This is how I believe it's supposed to be solved x^4-64 I take the 4th root of x and get x, and the 3rd root of -64 and get -4, which can be sim

Question 201007: Please help me in solving x^4-64.
This is how I believe it's supposed to be solved
x^4-64 I take the 4th root of x and get x, and the 3rd root of -64 and get -4, which can be simplified further to 2. My answer then is x-2. On the other hand I looked at factoring x^4-64 by factoring like so, (x^2+8)(x^2+8), then (x^2+8)(x+4)(x-2)but this would give me a middle term. Please help.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve(?):

Well, since this is not an equation (it's an expression) you really cannot solve it. The best you can do is simplify it, so let's do that!
Simplify:
Notice that this the difference of two squares and it is factorable thus:, so...

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