Question

x square - 2 X + 1 into X square + 2 X + 1​

Answer 1

Answer:

$- 3 {x}^{2} + 2x + 1 \: or \: 3 {x}^{2} - 2x - 1$

Answer 2

Answer:

$( {x}^{2} - 2x - + 1)( {x}^{2} + 2x + 1) \\ (x - 1) {}^{2} {(x + 1)}^{2} \\ ( {x}^{2} - 1) {}^{2} \\ {x}^{4} + 1 - 2 {x}^{2}$