$8^2+6^2$
$x^2+8x-4=10$
$\sqrt{25x^4}$
$x^5:\:-16$
$\lim_{x\to\left(\frac{\pi}{2}\right)}\left(\frac{\sin\left(x\right)^{\cos\left(x\right)}}{\cos\left(x\right)}\right)$
$-27-45-32-28$
$\frac{5x+2}{7x^2}+\frac{8x+2}{7x^2}$
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