x^4-5x^2+4

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x^4-5x^2+4 how do you simplify this

Guest Jul 7, 2015

+26367

+10

Best Answer

x^4-5x^2+4

$$x^4-5x^2+4
=(x^2-1)\cdot (x^2 -4 )
=(x-1)\cdot (x+1) \cdot (x-2 ) \cdot (x+2)$$

heureka Jul 7, 2015

+5

thx

Guest Jul 7, 2015

heureka · Answer 1 · 2015-07-07T01:17:28

x^4-5x^2+4

$$x^4-5x^2+4
=(x^2-1)\cdot (x^2 -4 )
=(x-1)\cdot (x+1) \cdot (x-2 ) \cdot (x+2)$$

Guest · Answer 2 · 2015-07-07T01:11:24

sorry i am greek i didn't mean simplify i meant to do this like this (dont know how its called in english)

p.e. 2x-2= 2(x-1)