Question

If x to the power of 2= 20 what is the value of x

Answer 1

Greetings from Brasil...

According to the statement of the question:

X² = 20

Let's apply square root to both members

√X² = √20

X = √20

20 = 2² · 5 so √20 = √2² · 5 = 2√5

X = √20 or X = 2√5 or X = 4.4721