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There are no real solutions to this equation because you cannot take the square root of a negative number. However,

x2 + 4 = 0

x2 = -4

sqrt(x2) = sqrt(-4)

x = 2i, -2i

here are the imaginary solutions.

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12y ago

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Q: What is the solution set to the equation x2 plus 4 equals 0?
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