$m^2+5-14$
$10\:sen\:53^{\circ}\:+\:2x\:=\:sec282^{\circ}$
$2x+2y=170$
$4x^2-3x+3x^2+3x-5x^3+2x^2$
$\frac{x^2+3}{x^2-1}$
$\frac{\sin\left(x\right)}{1-sin\left(x\right)}=\frac{1+\sin\left(x\right)}{\cos^3\left(x\right)}$
$c^2-11c+11$
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