$-3\left(10p-10\right)-4p$

$\int\frac{1}{\left(x+1\right)\left(x^2+2x+2\right)}dx$

$\frac{4\cos\left(x\right)\cos\left(x\right)^2+\cos\left(x\right)-\cos\left(3x\right)}{4\cos\left(x\right)}=1$

$\frac{x^4}{x^4}$

$4-10p+25p^2$

$\int\frac{1}{t^2\sqrt{t^2-9}}dx$

$x^3-2x-x+4$