Factoring Difference of Squares

  1. 1
    Factor $$x^2-25 $$
  2. 2
    a) Factor $$y^2-36 $$ $$ $$ b) Factor $$y^2+36 $$
  3. 3
    Factor $$25x^2-81 $$
  4. 4
    Factor $$49x^2-16y^2 $$
  5. 5
    Factor $$4m^2-121n^2 $$
  6. 6
    Factor $$64p^2-25q^2 $$
  7. 7
    Factor $$49x^4-16y^6 $$
  8. 8
    Factor $$81m^2-4n^4 $$
  9. 9
    Factor $$4y^2-16 $$
  10. 10
    Factor $$9m^2-81 $$

    Good test question !
  11. 11
    Factor $$x^4-16 $$

    Good test question !

$$e=mc^2$$