$4x^2+100x+25$
$\frac{4}{cot^2\left(x\right)+1}$
$\left(b^{-3}\right)\left(b^5\right)$
$\frac{dz}{dx}+e^{x-z}=0$
$2\cdot\left(-2b+3\right)-8$
$\left(r^2-2\cdot r\cdot x\cdot cos\left(\theta\right)+x^2\right)^{0.5}$
$6+2\left(3j-2\right)=4\left(1+j\right)$
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