2w−1x−1=xx−1\frac{2w-1}{x-1}=\frac{x}{x-1}x−12w−1=x−1x
∫(x2+1)exx+1dx\int\frac{\left(x^2+1\right)e^x}{x+1}dx∫x+1(x2+1)exdx
9−2\sqrt{9}-29−2
2x2−2x≥42x^2-2x\ge42x2−2x≥4
−3x2− −3x2− −3x2-3x^2-\:-3x^2-\:-3x^2−3x2−−3x2−−3x2
x+3x−2> 5\frac{x+3}{x-2}>\:5x−2x+3>5
x+5=−81x+5=-81x+5=−81
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