lim ₓ→₁ (2x² - 2)/(x - 1)
lim ₓ→₁ 2(x² - 1)/(x - 1)
lim ₓ→₁ 2(x + 1)(x - 1)/(x - 1)
lim ₓ→₁ 2(x + 1) = 2(1 + 1) = 4
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lim ₓ→₁ (2x² - 2)/(x - 1)
lim ₓ→₁ 2(x² - 1)/(x - 1)
lim ₓ→₁ 2(x + 1)(x - 1)/(x - 1)
lim ₓ→₁ 2(x + 1) = 2(1 + 1) = 4