2x⋅5x3⋅(−2x7)2x\cdot5x^3\cdot\left(-2x^7\right)2x⋅5x3⋅(−2x7)
limx→∞(x2+5x+1−2x)\lim_{x\to\infty}\left(\sqrt{x^2+5x+1}-2x\right)x→∞lim(x2+5x+1−2x)
(1−senx−cosx)(1+senx+cosex)\:\left(1-senx-cosx\right)\left(1+senx+cosex\right)(1−senx−cosx)(1+senx+cosex)
s2−2st+t2; s=6; t=7s^2-2st+t^2;\:s=6;\:t=7s2−2st+t2;s=6;t=7
x3−6x2−8xx^3-6x^2-8xx3−6x2−8x
3−((−8))3-\left(\left(-8\right)\right)3−((−8))
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