$$\int2x^2.\sin\left(5x^3+3\right).dx$$

$$\frac{x^9}{1-x}$$

$$\frac{dy}{dx}=x^4sen4x$$

$$5=4$$

$$0.035\left(7\right)^2-0.266\left(7\right)^2+1.005\left(7\right)^2+0.509\left(7\right)+2.986$$

$$5.319+-24.37$$

$$3x^2-2y^2+6x+4=0$$