$\int\left(\sin\left(2x\right)\right)^7\left(\cos\left(2x\right)\right)^2dx$

$10+2c+4b=a-4b+4b$

$\frac{4x\cdot2\left(-15x^2+4x^3\right)}{2}$

$18.181\cdot2.43$

$6x^2+6x-2y$

$\frac{dy}{dx}=\frac{x^2-2x}{\sin\left(y\right)}$

$\lim_{x\to0}\left(\frac{3x^2}{-\sin\left(x\right)-x}\right)$