SOLUTION: Please help me solve this problem {{{ x^4-1 }}}

Algebra.Com
Question 826795: Please help me solve this problem
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

.......I guess you need to simplify it and write as a product



.......you can write as and as
...now use the "difference of squares" formula
......use the "difference of squares" formula ones again


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