$$\int-15dx$$

$$\int_{-\pi}^{\pi}\left(-2cos^2xsinx\right)dx$$

$$11.000-850$$

$$\left(-8abc^2\right)\left(a^2bc^3\right)$$

$$\int_1^8\frac{-\left(\sqrt{x}\right)}{1+\sqrt{x}}dx$$

$$\lim_{h\to0}\left(\frac{10^{\sqrt{x+h}}-10^{\sqrt{x}}}{h}\right)$$

$$25x^2+20xv+4v^2$$