SOLUTION: Can someone direct me: 5x^2 = 100 Thank you so much.

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Question 114336: Can someone direct me:
5x^2 = 100
Thank you so much.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!
I presume you want to solve 5x%5E2=100 for x.

Step 1: Divide by 5

x%5E2=20

Step 2: Take the square root of both sides, remembering to consider both the positive and negative square root.

sqrt%28x%5E2%29=sqrt%2820%29 and sqrt%28x%5E2%29=-sqrt%2820%29


x=2sqrt%285%29 and x=-2sqrt%285%29