$-cos\left(5\cdot x\right)\cdot cos\left(8\cdot x\right)=sen\left(5\cdot x\right)\cdot sen\left(8\cdot x\right)$
$y^2-24y+144$
$2\left(4x+5\right)$
$\frac{dy}{dx}=5+6xy$
$sec\left(\arctan\left(4x\right)\right)$
$3m-6+m^2-5m+1$
$64a^3+343+4a+7$
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