$10^{2x-3}=\frac{1}{10}$

$\left(6x^{3}-2x^{2}+x-3\right)-\left(8x^{2}-x-3\right)$

$20-3-15+22+30$

$\frac{-12a^3b^4}{6a^3b^4}$

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

$\int\left(\frac{sin\left(x\right)}{e^{p\cdot x}}\right)dx$

$\left(x-13\right)^2$