$$\int-25cos\left(5x\right)^3sen\left(5x\right)dx$$

$$\left(x+2+y+3z\right)^2$$

$$\lim_{x\to0}\left(sinx\right)^3$$

$$\left(x\:+\:2\right)\:\left(x\:-\:1\right)\:+\:26\:<\:\left(x\:+\:4\right)\:\left(x\:+\:5\right)$$

$$2\sin\left(x\right)^2=1$$

$$\left(15x^2+2x-24\right)$$

$$\int-sec^3xdx$$