równania Kika: Rozwiąż równania : 4−2√2x = 6√18 3x− √2 = 2− √2x

dero2005: 4−2√2x = 6√18 −2√2x = 6√18−4

	6√18−4		√2		6√36−4√2		36−4√2
x =		*		=		=		= 9−√2
	2√2		√2		4		4

dero2005: pomyłka

	6√18−4		√2		6√36−4√2		−4(√2−9)
x =		*		=		=		= √2−9
	−2√2		√2		−4		−4

pigor: ... b) 3x−√2= 2−√2x ⇔ 3x+√2x= 2+√2 ⇔ x(3+√2)= 2+√2 /*(3−√2) ⇔ ⇔ x(9−2)= (2+√2)(3−√2) ⇔ 7x= 6+√2−2 ⇔ 7x=4−√2 ⇔ x=¹₇(4−√2) , −−−−−−−−−−−−−−−−−−−−−− a) 4−2√2x=6√18 /:2 ⇔ 2−3√9*2= √2x /* √2 ⇔ √2(2−9√2)= 2x ⇔ ⇔ 2√2−9*2= 2x /:2 ⇔ x=√2−9 . ...