Question

factorise x^4-7x2+1​

Answer 1

Answer:

Step-by-step explanation:

let x^2 = a

(x^2)^2 - 7 * (x^2) + 1

a^2 - 7a + 1

this is not factorable.....

Hemce the above equation is also not factorable........

Answer 2

Here is ur answer see the attachment