x2−2x−10=0x^2-2x-10=0x2−2x−10=0
16x20−142x2−1\frac{16x^{20}-1^4}{2x^2-1}2x2−116x20−14
−8⋅10−(−3)-8\cdot10-\left(-3\right)−8⋅10−(−3)
limx→2(x2−2x−63x−9)\lim_{x\to2}\left(\frac{x^2-2x-63}{x-9}\right)x→2lim(x−9x2−2x−63)
−13−5−(6−8)−(−7−3)-13-5-\left(6-8\right)-\left(-7-3\right)−13−5−(6−8)−(−7−3)
30a3b370a3b4\frac{30a^{3}b^{3}}{70a^{3}b^{4}}70a3b430a3b3
f′(x)=3x(x+3)f'\left(x\right)=3x\left(x+3\right)f′(x)=3x(x+3)
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