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Solve x^2 = 4, where x is a real number. Simplify your answer as much as possible. If there is more than one solution, separate them with commas. If there is no solution, click on "No solution".
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Solve x^2 = 4, where x is a real number.

Simplify your answer as much as possible.

If there is more than one solution, separate them with commas.
If there is no solution, click on "No solution".

User JohnPan
by
7.0k points

1 Answer

5 votes
X=-2,2

Step-by-step explanation:
When taking the square root to find x, there will always be two answers because 2x2 is 4 as well as -2x-2. (The number times itself as well as its negative).
User Malav Soni
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7.4k points
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