$-2\:sen\:x\:+\:1\:=\:0\:\:$
$-4x^2+10x+24$
$a^4x-b^4x-2b^2x$
$\int8x\left(4x^2-3\right)^5dx$
$4+3\cdot2^4+2\left(4^2-3\right)$
$\left(x+4\right)y-\left(x+4\right)z$
$-\left(-417\:-\:78\right)\:-\:\left(-518\:-\:287\right)$
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