Решите неравенство

10 𝑥 − 25 ⋅ 2 𝑥 − 2 ⋅ 5 𝑥 + 50 5 𝑥 − 𝑥 2 − 4 ≥ 0 ${\displaystyle \frac{{10}^x-25\cdot 2^x-2\cdot 5^x+50}{5x-x^2-4}\ge 0}$ .