$8\sin\left(x\right)+12=12$
$\left(2n-3z\right)^2$
$-6,94-39.14$
$5\left(x-\frac{3}{2}\right)\le3x+1$
$-2x^2+x=0$
$m^2+m-20$
$x-3=-x^2+2x+3$
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