2r2+12+182r^2+12+182r2+12+18
x2−8x−48≤0x^2-8x-48\le0x2−8x−48≤0
4a2−8ab2+4b44a^2-8ab^2+4b^44a2−8ab2+4b4
3x−54 = −8\:\frac{3x-5}{4}\:=\:-843x−5=−8
sin(x)tan(x)1−cos(x)= (1+cos(x))sec(x)\frac{\sin\left(x\right)\tan\left(x\right)}{1-cos\left(x\right)}=\:\left(1+cos\left(x\right)\right)sec\left(x\right)1−cos(x)sin(x)tan(x)=(1+cos(x))sec(x)
−26: (−2)+(−8−4+2)⋅7−(−5)-26:\:\left(-2\right)+\left(-8-4+2\right)\cdot7-\left(-5\right)−26:(−2)+(−8−4+2)⋅7−(−5)
36x3−54x2+26x−436x^3-54x^2+26x-436x3−54x2+26x−4
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