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Jan 22, 2013 Old
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oh yeah pusga's Avatar
Join Date: Jun 2011
Jan 22, 2013 Old
i don't even know what i'm doing but w/e

2x^4-5x^3-8x^2-5x+2=0

x^2(2x^2-5x-8 )=0+5

2x^2-5x-8=5

2x^2-5x-13=0

(5+|- √ √-5^2-4*2*-13)/4

(5+|- √129)/4

x=4.09 ^ x=-1.59
Last edited by pusga; Jan 22, 2013 at 09:30 PM.