How to factor a 5-term polynomial (the double-cross method)

Algebra tutorial on factoring a 5-term polynomial x^4-4x^3+2x-11x+12 using the double-cross method. Factoring polynomials is crucial for solving polynomial equations for your algebra and precalculus classes. Check out a harder double-cross factoring problem:    • How to factor a hard 4th degree polyn...  

Check out different methods of factoring this 5-term polynomial below.
By rational zero theorem:    • How to factor a 5-term polynomial (ra...  
By grouping:    • How to factor a 5-term 4th degree pol...  

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