$\sin\left(2x\right)\left(1-2\cos\left(2x\right)\right)=0$

$9a+10b-6c=-46$

$9x^2-49$

$572\cdot56.7$

$\frac{x\left(6-x\right)}{\frac{\left(1-x\right)^2}{\left(6-x\right)^2}}$

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

$\int\frac{3x^2+2}{\left(5-2x\right)^2\left(x^2+10x+26\right)}dx$