# Algebra

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How do you factor a quartic equation such as 4x^3-24x^2-x+6. Could you break it down step by step? thank you.

• Algebra -

This is an example of "gouping"
4x^3-24x^2-x+6
= 4x^2(x-6) - (x-6)
= (x-6)(x^2 - 1) , now by difference of squares
= (x-6)(x-1)(x+1)

• Algebra -

5r-5s
------
5r+ 5s

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