−3ax−2 − ax−2-3ax^{-2}\:-\:ax^{-2}−3ax−2−ax−2
−4(5x−9)−x-4\left(5x-9\right)-x−4(5x−9)−x
(b+z).(a−z)\left(b+z\right).\left(a-z\right)(b+z).(a−z)
3(x−1)≤x+73\left(x-1\right)\le x+73(x−1)≤x+7
3x+2x2+4=53x+2x^2+4=53x+2x2+4=5
520.92−8.587520.92-8.587520.92−8.587
∫x3+2xx2dx\int\frac{x^{3}+2x}{x^{2}}dx∫x2x3+2xdx
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