Question

Factories : x⁴ +4 + 3x²​

Answer 1

Answer:

( x^2 + 2 ) ( x^2 + 2 )

Step-by-step explanation:

x^4 + x^2 + 2x^2 + 4

= x^2 ( x^2 + 2 ) + 2 ( x^2 +2 )

= ( x^2 + 2 ) ( x^2 + 2 )

= ( x^2 + 2 )^2

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