How are -1+2i and -1-2i solutions to x^2+2x+5=0

1 answer:

6 0

Step-by-step explanation:

just applieng quadratic form

$- b ±\frac{ \sqrt[2]{ {b}^{2} - 4ac} }{2a}$

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Free_Kalibri [48]

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Zinaida [17]

Shouldn't the answer be: (-1,4),(1,4),(2,4),(-2,4)

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