Odpowiedzi

2009-11-08T12:05:30+01:00
Równanie:

(x - 3)² = x² + 3
x² - 6x + 9 = x² + 3
-6x = -6
x = 1

ODP. x = 1
2009-11-08T12:06:00+01:00
(x-3)²-3=x
x²-6x+9-3=x²
-6x+6=0
x=1
2009-11-08T12:06:57+01:00
(x-3)²=3+x²
x²-6x+9=3+x²
-6x=3-9
-6x=-6 /:(-6)
x=1