x^2+4=0 solve it. how does it come tell me fast
Answers
Answered by
1
Step-by-step explanation:
x2=-4
x=+2i
x=-2i where i is the imaginary number .
Answered by
0
Answer:
x
2
+
4
=
0
subtract 4 on both sides to get
x
2
=
−
4
Take the square root of both sides to get
x
=
±
2
i
Step-by-step explanation:
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