$6n^2-5n=6$
$12x-14<10$
$2\sec\left(x\right)^2-2\cot\left(x\right)^2$
$\left(1+cos\left(x\right)\right)\left(cos\left(x\right)\right)$
$y'=\frac{y}{x}\left(ln\left(y\right)-ln\left(x\right)\right)$
$\left(3x+10y\right)^3$
$\int7^{7x-7}dx$
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