$469\:\:-68\infty$
$\int\frac{\cos^3\sqrt{x}}{\sqrt{x}}dx$
$\left(-2x^2+5y\right)^2$
$9y^2-18y=0$
$2\left(3+x\right)<3x-8$
$\int\:\frac{x^2-3}{x^2+1}dx$
$6x^2+12x+-13=0$
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