SOLUTION: x^6-7x^3-8 In need to factor completely and find all the zeros Can I seperate the-8 from the rest and factor out x^3 to get x^3(x^3-7)= 8 or should i be using synthetic division

Question 369636: x^6-7x^3-8 In need to factor completely and find all the zeros
Can I seperate the-8 from the rest and factor out x^3 to get x^3(x^3-7)= 8
or should i be using synthetic division?

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Your best bet is use a substitution and the quadratic formula.
Let , then , then solve

Once you find substitute back to .

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