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How do you factor 5x2 plus 7x plus 21?

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Anonymous

∙ 12y ago
Updated: 8/18/2019

That doesn't factor neatly. Applying the quadratic equation, we find two imaginary solutions: (-7 plus or minus the square root of -371) divided by 10

x = -0.7 + 1.9261360284258224i
x = -0.7 - 1.9261360284258224i

where i is the square root of negative one.

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∙ 12y ago
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