Courtneykoory14 Courtneykoory14
  • 19-09-2020
  • Mathematics
contestada

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

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tomson1975
tomson1975 tomson1975
  • 19-09-2020

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

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