$\int e^{3x^2+6x+1}\left(x+1\right)dx$
$\frac{9x^2+4x+4}{x^2-2x}-8\le0$
$\int\frac{6x+2}{7x^2+2x}dx$
$\frac{x}{dt}dx+4t=14$
$8 x ^ { 2 } + 2 x ^ { 2 } + 7 x$
$3sec^3\left(x\right)-3sec^2\left(x\right)-3sec\left(x\right)+3$
$\left(3w-2\right)^2$
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