6z2−12z6z^2-12z6z2−12z
3x−5<193x-5<193x−5<19
3−2x2≥24+2x4\frac{3-2x}{2}\ge\frac{24+2x}{4}23−2x≥424+2x
9y2+72y9y^2+72y9y2+72y
limx→−3(4x+15)\lim_{x\to-3}\left(4x+15\right)x→−3lim(4x+15)
(4y4+14y3+15y−6)⋅(2y2+8y+2)\left(4y^4+14y^3+15y-6\right)\cdot\left(2y^2+8y+2\right)(4y4+14y3+15y−6)⋅(2y2+8y+2)
−12−4\frac{-12}{-4}−4−12
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