$x^2+40x-9600$
$3\cdot\left(x+1\right)=4x+1$
$4-b-5b$
$1+\frac{1}{5}\sec\left(x+\pi\right)=\frac{4}{5}$
$\left(\frac{1}{3}f^2g\:-\:21h^2\right)^2$
$y^2-17y+b=\frac{289}{4}$
$3\left(4+9-5+9-9\right)$
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