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tatyana61 [14]
3 years ago
6

Solve the quadratic equation x2+2x+3​

Mathematics
2 answers:
Anastaziya [24]3 years ago
8 0

Answer:

-2+ sqrt(8)i or -2-sqrt(8)i

Step-by-step explanation:

adelina 88 [10]3 years ago
3 0

Answer:

x=i\sqrt{2} -1, x=-i\sqrt{2}-1

Step-by-step explanation:

Hoping the equation is x^2+2x+3 = 0

Rewrite so I can complete the square:

x^2+2x=-3

Take the square of half of 2 and square.

x^2+2x+1=-2

(x+1)^2=-2

x + 1=\sqrt{-2}

x=i\sqrt{2} -1, x=-i\sqrt{2}-1

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