Question

one of the factors of x^4+2x^2+9 is ​

Answer 1

Answer:

Where is that one of the factor...?

Answer 2

Answer:

Given equation is x4+2x2+9

We can rewrite this as,

(x2)2+6x2+9−4x2

⇒(x2+3)2−(2x)2            ....Since a2+2ab+b2=(a+b)2

⇒ x4+2x2+9=(x2−2x+3)(x2+2x+3)     ....Since a2−b2=(a+b)(a−b)

Step-by-step explanation:

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