$34,02+129,983$
$\left(2a+36\right)\left(2a-36\right)$
$x+10=-27$
$\frac{x^2+7x+12}{x+4}$
$4\sin\left(x\right)-1=2\sin\left(x\right)+1$
$\frac{16-b^4}{2-b}$
$x^4+8x^2y^2+16y^4$
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