$2w^2+u-3w+4u+2w^2$
$2x^2+24$
$-10x^2-25x+60=0$
$\frac{m^{20}-20m+19}{m^2-2m+1}$
$x^2+20x\:+16$
$\left(x+3\right)\cdot2=54$
$-17\cdot7$
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