$\frac{dy}{dt}=tan4x$
$x^2-121>0$
$\left(5z-2y\right)\left(5z+2y\right)$
$-81054261.976-5934027.86$
$3x\cdot y+3x-y-1=0$
$b^2+bc$
$6\left(x\right)^2-6x+9$
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