2 4 4p 2 4 4р
______ - ________ + ________ = ________ - ________ + _____________ =
9p-12q 9p+12q 16q²-9p² 3(3p-4q) 3(3p+4q) (4q-3p)(4q+3p)
2(3p+4q) 4(3p-4q) 3 * 4р 6p + 8q - 12p + 16q - 12p
= ________ - ________ - _____________ = _______________________ =
3(3p-4q) 3(3p+4q) (3p-4q)(3p+4q) 3(3p-4q)(3p+4q)
- 18p + 24q -6(3p-4q) -2
= ________________ =_______________ = _______
3(3p-4q)(3p+4q) 3(3p-4q)(3p+4q) 3p + 4q