Hey there!
2^4=2x2x2x2
2*2=4
4*2=8
8*2=65
It equals 64.
Hope this helps! Let me know if you have any questions:)
Answer:
2x² = -8
x² = -4
The answer is no real solutions (x ∉ R) because a perfect square cannot be negative.
What you can put is an obtuse 108 degrees
<span />