Решите неравенство...........

Значит так:

9x+94" alt="4X^2>9x+94" align="absmiddle" class="latex-formula">

9x+9" alt="X^2>9x+9" align="absmiddle" class="latex-formula">

0" alt="X^2-9x-9>0" align="absmiddle" class="latex-formula">

$D=81+144=225$

$X_{1}= \frac{9+15}{8}=3$

$X_{2}=\frac{9-15}8{}=-\frac{3}{4}$

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-3/4 3

$xE(-\infty,-3/4)⋃(3,+\infty)$