$2\left(1.1\right)^3-7\left(1.1\right)^2+9\left(1.1\right)-15$
$\int\frac{1}{1-x^{\left(\frac{1}{2}\right)}}dx$
$q2\:+\:50q\:+\:1000$
$4^3+5^2-x+3+x^5+4^3-2x^2+1-2x^3$
$\left(-r^{2\:}-2r+3\right)\left(-r^{2\:}-3r+2\right)$
$\:63x\:+\:35y$
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