$45\cdot13$
$2\sin^2x+senx-6=0$
$\csc\left(x\right)^2=1\frac{1}{1\:-\cos^2\left(x\right)}$
$f\left(t\right)=\left(t^4-1\right)^3\left(t^3+1\right)^4$
$x^2-4y^2$
$3x^2-x+4=0$
$\left(xy^2z^3\right)^3$
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