$$\left(-318\right)+\left(-146\right)+\left(189\right)$$

$$4x^6-7x^4+2;\:x=-1;\:$$

$$\int\left(x\right)\left(x+1\right)^{\frac{2}{5}}dx$$

$$\int\sqrt{1-3e^x}\cdot e^xdx$$

$$-4\left(4-2+5\right)-1-\{1-[8+\left(-3-1\right)-\left(-7+4\right)]+3-4\}$$

$$6xy+8x-3xy+x-xy$$

$$\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}}\sin\left(x+1\right)^2dx$$