SOLUTION: Factor the expression, if possible. x^4 - 1296 Please enter "prime ", if the expression cannot be factored. i know this is a perfect square because 36*36=1296 but how do

Question 103776This question is from textbook beginning and intermediate algebra
: Factor the expression, if possible.
x^4 - 1296
Please enter "prime ", if the expression cannot be factored.

i know this is a perfect square because 36*36=1296 but how do i factor it my online assignment i put (x^2+36)(x^2-36) and it says its incorrect then i factor that which is (x+6)(x+6)(x-6)(x+6) and it says it wrong what is the asnwer???HELP ME PLZZZ

This question is from textbook beginning and intermediate algebra

Found 3 solutions by scott8148, edjones, jim_thompson5910:
Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
you are doing fine with the difference of two squares

the sum of two squares does not factor ... (x+6)(x+6)=x^2+12x+36
Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
x^4 - 1296
=(x^2+36)(x^2-36)
=(x^2+36)(x+6)(x-6)
Ed
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
The first answer is correct. But since the program/test might want it in the most simplified form, you'll then have to factor to

So you're final answer should be

Note: your second answer is not correct simply because does not factor to . It turns out that you cannot factor at all. So that means you have to leave that part alone.
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