$2x^2-7x-9=0$
$64x^4-48x^2y^3+9y^6$
$4y-222=3378$
$x^2-72x+144$
$y^2-2y-y^2-2y$
$\int_{14.018\cdot10^{-3}}^{15\cdot10^{-3}}\left(21\sin\left(\frac{2\pi x}{0.015}\right)+6\right)\left(\sin\left(\frac{2\pi\cdot1\cdot x}{0.015}\right)\right)dx$
$1+x>0$
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