(1+tan2x)cot2x=sec2cot2\left(1+\tan^2x\right)\cot^2x=\sec^2\cot^2(1+tan2x)cot2x=sec2cot2
2(−804)−142\left(-\frac{80}{4}\right)-142(−480)−14
(h−1)3\left(h-1\right)^3(h−1)3
(−2x+6)(−2x−6)\left(-2x+6\right)\left(-2x-6\right)(−2x+6)(−2x−6)
(25z4)32\left(25z^4\right)^{\frac{3}{2}}(25z4)23
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