3x+76>8x−25\frac{3x+7}{6}>\frac{8x-2}{5}63x+7>58x−2
x−x−1=4x-x^{-1}=4x−x−1=4
20z2+4z=020z^2+4z=020z2+4z=0
31⋅353^1\cdot3^531⋅35
23−(−23)23-\left(-23\right)23−(−23)
4x −2 por x=54x\:-2\:por\:x=54x−2porx=5
(7a2−3a)(4a−8)\left(7a^2-3a\right)\left(4a-8\right)(7a2−3a)(4a−8)
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