Write the quadratic equation whose roots are 5 and 2

- Write the quadratic equation whose roots are 5 and 2 and whose leading coefficient is 3
- Write the quadratic equation whose roots are 5 and 2 and whose leading coefficient is 1
- Write the quadratic equation whose roots are 5 and 2 and whose leading coefficient is 4
- Write the quadratic equation whose roots are 5 and 6 and whose leading coefficient is 2