$6m+4-3m+6$

$-8-\left(-15\right)$

$tan\left(x\right)sin^2\left(x\right)+tan\left(x\right)cos^2\left(x\right)=\tan\left(x\right)$

$\frac{dy}{dx}=\left(x^2-7\right)\left(x^3+4x+2\right)$

$\int\left(\:\frac{\sec\:\left(x\right)+\tan\:\left(x\right)}{\cos\:\left(x\right)}\right)dx$

$16\sqrt{x}-10\sqrt{x}$

$\lim_{x\to0}\frac{\left(x+1\right)\ln\:\left(x+1\right)}{2x\ln\left(x\right)}$