# Math Help - Transform into sum of two squares

1. ## Transform into sum of two squares

Transform $(a^2 + 1)(b^2 + 1)(c^2 + 1)$ into sum of two squared polynomials.

Any help?

2. Try (a*b*c-a-b-c)^2 + (a*b+b*c+c*a - 1)^2.

3. thx