$\left(e^{ix}-e^{-ix}\right)^3$
$-30+\left(-10+12\right)$
$26\cdot26$
$\cos^3\left(x\right)=\left(1-\sin^2\left(x\right)\right)\left(\cos\left(x\right)\right)$
$\left(4x-4\right)\left(4x+5\right)$
$25a^2-04a-36a^2+4a-1$
$24w^2yz^3-16wy^2z^3+40w^3z^2$
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