+307 Let x be z².
The equation turns into this:
x²-4x+4=0
This factors as:
(x-2)²=0
x would be equal to two. Set 2 equal to z² and solve:
\(z=\sqrt2 \) \(or \)\(-\sqrt2\)
+307 Let x be z².
The equation turns into this:
x²-4x+4=0
This factors as:
(x-2)²=0
x would be equal to two. Set 2 equal to z² and solve:
\(z=\sqrt2 \) \(or \)\(-\sqrt2\)
