$-5x+2-5x-2$
$f\left(x\right)=\left(4x^2-4\right)^3$
$m-17=-13$
$3^3\cdot3^4\cdot3$
$cos\:800\:.cos200\:+\:sen\:800.sen\:200$
$\frac{\left(x^3+x^2+x\right)}{\left(x^2-x+1\right)}$
$\cos\left(2x\right)\cdot\sec\left(x\right)=\cos\left(x\right)-\frac{\tan\left(x\right)}{\csc\left(x\right)}$
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