$\left(a+4c\right)\left(a+4c\right)$
$x^2+13x+42\frac{1}{4}$
$m^2\:+\:4m\:=\:27$
$-8\sin\left(x\right)-4=0$
$\left(-6-3\right)\cdot[4+2:\left(-6+7\right)]\cdot\left(2\cdot\left(-1\right)+2\right)$
$\left(\frac{3}{2}x+\frac{2}{5}xz^{3}\right)^{3}$
$3+6v+7v$
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