$\frac{1+\sin\left(x\right)}{\cos\left(x\right)}+\frac{\tan\left(x\right)}{1+\sin\left(x\right)}$

$x^2+26x-169$

$3\left(9k-3m+1\right)$

$\int\left(5\left(2t-6\right)^9\right)dt$

$dy=4dx$

$\lim_{x\to0}\left(\frac{sin\left(x\right)}{x^2}\right)^{\frac{1}{x}}$

$2^2+7^2$