$\frac{1}{2}\left(x+4y\right)-\frac{7}{2}\left(4x-10y\right)+\frac{5}{2}x$
$\left(4b^2-a^2b^2\right)^4$
$\int2xe^2dx$
$9sinb+3=5\sin\:b+1$
$\int z^3e^zdx$
$\left(\frac{2}{3}yx^2+\frac{1}{2}y^3\right)^3$
$3-10+4-4\cdot2$
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