t3+2t−3t+1t^3+2t-3t+1t3+2t−3t+1
x−9<−5x-9<-5x−9<−5
−454+748-454+748−454+748
2x + 3 + 2(x + 1) < −3(x − 1) 2x\:+\:3\:+\:2\left(x\:+\:1\right)\:<\:-3\left(x\:-\:1\right)\:2x+3+2(x+1)<−3(x−1)
4x3−8x2 entre 2x4x^3-8x^2\:\:entre\:2x4x3−8x2entre2x
4x2+36 4x^2+36\:4x2+36
limx→0(x3−5x2+1)\lim_{x\to0}\left(x^3-5x^2+1\right)x→0lim(x3−5x2+1)
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