Problem 22 of 7
Solve quadratic x^2+20=0 with pure imaginary solutions by square roots.
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simplify sqrt(-a).
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Equation must reduce to x^2=-a for positive a.
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Solution
Walkthrough
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1. Isolate x^2.
2. Take square roots of both sides.
3. Simplify the negative square root using i.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
No solution unless specifying no real solution only.