$x^2+5x+10=0$
$469\:\:-68$
$3\cdot.5$
$\left[\left(2^3\right)^3\right]^2$
$\left(9x^{3+2z}\right)\left(x^{3+4z}\right)$
$\frac{y^2+1}{y+1}$
$1-8x+5-6x$
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