$\left(x^2-2x+1\right)\left(x+1\right)$

$\left(m+3n\right)\left(m^2-3n^2\right)$

$\left(1+\sin\left(x\right)+\cos\left(x\right)\right)\left(1-\sin\left(x\right)-\cos\left(x\right)\right)$

$x-2-\frac{x^2-3x+2}{x-1}=0$

$26\cdot4$

$\left(4x^5y\right)^2$

$-42.709+44.08$