$$\int_0^{\infty}\left(\frac{1}{3}\right)dx$$

$$\frac{d}{dx}\left(\frac{x\sqrt{x^2+4}}{\left(x+7\right)^{\frac{4}{3}}}\right)$$

$$\frac{2\left(x+1\right)\left(x-2\right)}{2x+2}$$

$$a^2+b^2=145$$

$$ca^2-cb^2$$

$$-4x^2+196$$

$$w2-w-30$$