$\frac{\left(-sin^2x+sinx\right)}{\left(1-sinx\right)\left(cosx\right)}=tanx$

$26\cdot26$

$3x\left(x^2-2x\right)-x\left(3-x\right)$

$\int\left(3x+1\right)\sqrt{x-4}dx$

$\int\frac{\left(x^2+6x+9\right)}{\left(x-1\right)\left(x-2\right)\left(x+4\right)}dx$

$\left(p^{\frac{3}{2}}+\sqrt{q}\right)\left(p^{\frac{3}{2}}-\sqrt{q}\right)$

$sin^7x=\left(1-cos^2x\right)^3sinx$