−3(2)2+3(2)+2-3\left(2\right)^2+3\left(2\right)+2−3(2)2+3(2)+2
(2ab2)2\left(2ab^2\right)^2(2ab2)2
tan2(x)(cos2(x)+1)+cos2(x)=sec2(x)\tan^2\left(x\right)\left(\cos^2\left(x\right)+1\right)+\cos^2\left(x\right)=\sec^2\left(x\right)tan2(x)(cos2(x)+1)+cos2(x)=sec2(x)
a3b3⋅3a3xa^3b^3\cdot3a^3xa3b3⋅3a3x
4.8⋅234.8\cdot2^34.8⋅23
ddx 3x−3y=2y\frac{d}{dx}\:\frac{3}{x}-\frac{3}{y}=2ydxdx3−y3=2y
(2a2bc5)(−3ab3c7)\left(2a^2bc^5\right)\left(-3ab^3c^7\right)(2a2bc5)(−3ab3c7)
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