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Factor the expression over the complex numbers.

SamJones  Jan 26, 2018
 #1
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Solve for y:

y^2 + 49 = 0

 

Subtract 49 from both sides:

y^2 = -49

 

Take the square root of both sides:

y = 7i        or        y = -7i

Guest Jan 26, 2018

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