$-2\cdot3+3$
$f\left(x\right)=\left(x^2+x+1\right)\cdot\left(x^3+x\right)\cdot\left(x+1\right)^2$
$x^2-9x+14<0$
$16m^8-64m^5n-64m^2n$
$9\cdot3\cdot16\cdot5$
$-2\sin\left(9x\right)^2+1$
$x2\:+\:2x\:+\:4\:=\:0$
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