$x^2+18x=-77$

$\int\left(3\sin\left(5x\right)\cos\left(4x\right)\right)dx$

$\int\left(\frac{\left(5x-13\right)}{\left[\left(x-3\right)\left(x-2\right)\right]}\right)dx$

$\int\:64\cdot\:e^{2x}\cdot dx$

$-4x-2\left(2x+10\right)=-116$

$100\sin\left(x+y\right)t-100\sin\left(x+y\right)t$

$4n-2n$