\[\left( 4 - x^{2} \right)(10x + 35) < 0\]
\[\left( x^{2} - 4 \right)(10x + 35) > 0\]
\[10 \cdot (x + 3,5)(x + 2)(x - 2) > 0\]
\[- 3,5 < x < - 2;\ \ x > 2.\]