Question

Factrise x4 +3x2 +4 please answer ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step e$x1=\frac{1+\sqrt{7}i }{2} \\x2=\frac{1-\sqrt{7}i }{2} \\x3=\frac{-1+\sqrt{7}i }{2} \\x4=\frac{-1-\sqrt{7}i }{2}$explanation: