$2-\log_{10}\left(2\right)-2\log_{10}\left(5\right)=\log_{10}\left(x\right)$

$\int_{-3x^2}^{6x^3}x^4\left(\sqrt{x^2}+1\right)dx$

$5.52\cdot0.4+5.45\cdot0.4$

$15-\left(-5\right)$

$\int_{-1}^1\left(x^3+3x^2+3x+3\right)dx$

$2^7\cdot2^8$

$\lim_{x\to\infty}\left(\frac{x^2-5x}{2x^3+1}\right)$