$\frac{1}{8}x^2+x=\frac{5}{2}$
$2x-7;x=3$
$-4-5+2-1$
$\frac{4m^2+64}{2m+8}$
$6x+13x=95$
$\left(x^{0.75}-1\right)\left(x^{0.75}+1\right)$
$\frac{54x^4}{3x^2}$
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