x⁴-7x²+1 algebra factorise
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Answered by
3
x^2(x^2-7+1)
Hope this answer helps you.....
Hope this answer helps you.....
Answered by
8
answer:(X+4)(x-2)
Step-by-step explanation:
x⁴ -7x² +1
=> x⁴ -7x² -2x² +1 +2x²
=>(x⁴ +2x² +1) -7x² -2x²
=>(X+1)² -9x²
=>(X+1)²- (3)²
=>(X+1 +3)(X+1 -3)
=>(X +4) (x-2)
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