Solve for x x^2+1=0

Problem

x2+1=0

Solution

1. Isolate the x2 term by subtracting 1 from both sides of the equation.

x2=−1

2. Apply the square root property to both sides to solve for x

x=±√(,−1)

3. Substitute the imaginary unit i for the square root of negative one, where i=√(,−1)

x=±i

Final Answer

x=±i

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