$\int2t^4\cdot\sin\left(\pi x\right)dx$
$0\:-\:\left(-53\right)$
$\int\left(\frac{8x}{4x^2+3}\right)dx$
$4-2^23-6-23+8-23^2$
$-1294-2845$
$5x-3\le x+17$
$\left(4x^4+4x^3-9x^2-x-1\right)\left(2x-1\right)$
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