$$-151+412$$

$$\left(x^2+2y^2\right)\frac{d}{dx}\left(y\right)=xy$$

$$\int\frac{\left(1\right)}{\left(6-5x\right)}dx$$

$$-4\left(3b-5\right)+12$$

$$64b^8-80b^4c^6+25c^{12}$$

$$\frac{d}{dx}y\ln\left(x+z\right)+xz=0$$