$$16e^2+12e+9$$

$$2x+3<4$$

$$\int\frac{7\left(x^2+5\right)}{x\left(x^2+7\right)}dx$$

$$\lim_{x\to\infty}\frac{4x^2-10x+6}{4x^2-10x+6}$$

$$\lim_{x\to3}\left(\frac{cos\left(\pi x\right)+2^{\left(x-3\right)}}{x^3-27}\right)$$

$$-3\cdot\left(5-\left(-7\right)\cdot\left(4-6\right)\right):\left(6-3\right)$$

$$5\left(-1+14t\right)$$