$\left(\frac{1}{5}m^{a+1}-m^{a+3}\right)^2$

$\left(5x^2y\right)\left(-12xyz\right)$

$\lim_{x\to\frac{\pi}{2}}\left(\frac{\ln\left|\left(\sin\left(x\right)\right)^3\right|}{\left(\frac{\pi}{2}\right)-x}\right)$

$-\frac{68}{17}$

$\lim_{x\to infinity}\left(xln\left(1+\frac{1}{x}\right)\right)$

$e^{x^2}=106$

$\frac{6x^3+x^2+8x-6}{3x-1}$