Question

a⁴ - 7a²+1

How to factorize this
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Answer 1

Answer:

a²(a²-7)+1

Step-by-step explanation:

(a²)²-7a²+1

now we can take common a²

then we will take a²-7 in braket

a²(a²-7)+1 will be the answer then..

hope it will help

Answer 2

Answer:

a^4-7a^2+1=(a^2+1+3a)*(a^2+1-3a)

Step-by-step:

I hope its help you