ff gg: x⁵+0.5x⁴−1.71x³−0.085x²+0.325x−0.03=0 oblicz miejsce zerowe

kochanus_niepospolitus: no i w czym problem tkwi ?

Mariusz:

	1		3		33		1		3
(x−		)(x4+		x3−		x2−		x+		)
	10		5		20		4		10

	3		33		1		3
x4+		x3−		x2−		x+		=0
	5		20		4		10

100x⁴+60x³−165x²−25x+30=0 (100x⁴+60x³)−(165x²+25x−30)=0 (100x⁴+60x³+9x²)−(174x²+25x−30)=0 (10x²+3x)²−(174x²+25x−30)=0

	y		y2
(10x2+3x+		)2−((10y+174)x2+(3y+25)x+		−30)=0
	2		4

y=−17

	17		169
(10x2+3x−		)2−(4x2−26x+		)=0
	2		4

	17		13
(10x2+3x−		)2−(2x−		)2=0
	2		2

	17		13		17		13
(10x2+3x−		−2x+		)(10x2+3x−		+2x−		)=0
	2		2		2		2

(10x²+x−2)(10x²+5x−15)=0 (10x²+x−2)(2x²+x−3)=0