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5x^2=20 Solve for both roots.

User Adam Mitz
by
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1 Answer

3 votes

Step-by-step:


5x^(2) = 20

divide both sides by 5:


(5x^(2))/(5) 5x^(2) = 20/5\\\\x^(2) = 4\\


\sqrt{x^(2) } = ± 4

2 * 2 = 4

so:

roots are: -2 and 2

User Aferriss
by
8.2k points

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