Решите неравенство 3 ⋅ 27 𝑥 − 9 𝑥 + 1 + 3 𝑥 + 2 − 3 50 𝑥 2 − 30 𝑥 + 4,5 ≥ 0. ${\displaystyle \frac{3\cdot {27}^x-9^{x+1}+3^{x+2}-3}{50x^2-30x+\mathrm{4,5}}\ge 0.}$