$\int_0^{12}\:\frac{7}{y^2-8y-153}dy$

$\lim_{x\to+\infty}\left(\frac{e^{2n^2-n}}{\left(1+\frac{1}{n}\right)^{2n^3}}\right)$

$\left(-2\right)^3\cdot\left(-2\right)^4$

$5x^{18}+y^2=1$

$8x^3+17x^2+10x+1$

$2\sin^2\left(2x\right)=3\sin^2\left(x\right)+\sin^2\left(2x\right)$

$\left(8y+8a-9y+9\right)-\left(8a+9y-10\right)$