1. HARD

What are the factors of \(x^2 - x\)?

  1. \(x\) and \(x - 1\)
  2. \(x^2 + x\) and \(-1\)
  3. \(x^2 - 1\) and \(x\)
  4. \(x^2\) and \(-x\)
  5. None of the above
 
2. HARD

Factor \(x^4y^2z + y^2z^2\).