$4sen2x+8senx+3=0$
$sin\left(x\right)=2sin\left(\frac{x}{2}\right)cos\left(\frac{x}{2}\right)$
$\frac{dy}{dt}=4te^{-3y},y\left(1\right)=0$
$5x-4x-x+1=0$
$-2+30+16-50-73$
$\left(3xy^2-4x^2z^2\right)$
$\int4x^2\left(\frac{ln\left(x\right)}{x^3}\right)dx$
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