$y^2=px$
$\left(x-\frac{1}{2}\right)\left(x-\frac{5}{2}\right)$
$81m^4-54m^2\:n^2+9n^4$
$x+12=126$
$5\cdot18$
$100-3y+4y-3y^2$
$\int2t^3\cos\left(t^4\right)dt$
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