مجموعه جواب نامعادلهٔ زیر کدام است؟
$(3x + 7)(3x - 4) \gt (3x + 5)(3x - 5)$
$\left\{ {x\left| {x \gt \frac{1}{3}} \right.} \right\}$
2 )
$\left\{ {x\left| {x \gt 3} \right.} \right\}$
3 )
$\left\{ {x\left| {x \lt - \frac{1}{3}} \right.} \right\}$
4 )
$\left\{ {x\left| {x \lt - 3} \right.} \right\}$