SOLUTION: how to solve 49x^2+100=0

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Question 673223: how to solve 49x^2+100=0
Answer by ReadingBoosters(3246) About Me  (Show Source):
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49x%5E2+%2B+100+=+0
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49x%5E2+=+-100
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sqrt%2849x%5E2%29 = +/- sqrt%28-100%29
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sqrt%28-100%29+=+sqrt%28-1%2A100%29+=+%28i%29sqrt%28100%29+=+10i
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7x = +/- 10i
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x = +/- 10i%2F7
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