Japan | A Nice Algebra Problem

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[@vladsmith3657]

X1=0; X2=4. I decided it easily in my mind. 👍 Thanks!

[@StevenTorrey]

In step 2, where did the (1 + 1) come from?

[@null-nullov]

x= 0; 4, 'cause the √0 is 0

[@navyntune8158]

2√x = x
x - 2√x = 0
(√x - 2)√x = 0
√x = 0, 2
x = 0, 4

[@tamaraarmata3807]

Oczywiścieyrywialnym wynikiem jest liczba 0 lub 4 w polu liczb rzeczywistych 😮 Ale może to być też liczba zespolona 😂😂😂

[@danielsteve-5759]

4.

[@tamaraarmata3807]

X to 4 😮😮