1.

Factorise 3x²+6+3/x²​

Answer»

ANSWER:

Step-by-step explanation:

3x^2+6+3/x^2

Multiplying the WHOLE EQUATION by x^2

3x^4+6x^2+3

3x^4+3x^2+3x^2+3

3x^2(x^2+1)+3(x^2+1)

(3x^2+3)(x^2+1)

3(x^2+1)(x^2+1)



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