−75−(−9)-75-\left(-9\right)−75−(−9)
−7(n+5)-7\left(n+5\right)−7(n+5)
9x2+54x+7299x^2+54x+7299x2+54x+729
y8−5y4+4y^8-5y^4+4y8−5y4+4
∫1∞78x(x+1)2 dx\int_1^{\infty}\frac{7}{8x\left(x+1\right)^2}\:dx∫1∞8x(x+1)27dx
7.90⋅1057.90\cdot10^57.90⋅105
limx→2(1+3x)18x \lim_{x\to2}\left(1+3x\right)^{\frac{1}{8x}}\:x→2lim(1+3x)8x1
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