$\left(\frac{1}{2}x-\frac{4}{7}\right)^2$
$\int\left(\sec\left(x\right)+\cot\left(x\right)\right)^2dx$
$6-4\cdot6$
$4\cos\left(4x-15\right)$
$\log4x+\log5x=\log180$
$-\left(-7-6-8\right)-4+8-\left(-3+8-9+6\right)$
$3x^5+4x^5$
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