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41 votes
41 votes
Which quadratic equation has roots -7+2i and -7 - 2i?

x² + 14x + 50 = 0
x² 14x + 530
x² + 14x + 53 = 0
x²14x + 50 = 0

User CyberShot
by
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1 Answer

17 votes
17 votes

Answer:

x² + 14x + 53 = 0

Explanation:

(x+7-2i)(x+7+2i)=0

x^2+14x+49+4=0

x^2+14x+53=0

User Brenden Kehren
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