$x^2+10x-11=0$
$\frac{\left(cot\left(30\right)-tan\left(30\right)\right)}{\left(csc\left(120\right)+cot\left(120\right)\right)}$
$8m^4x^2+6n^3x^2+32m^4+24n^3$
$\left(x+2y+1\right)dx+\left(2x+5y+1\right)dy=0$
$4x+32+yx+8y$
$\int\frac{10}{x^4-8x^2-9}dx$
$450\cdot5$
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