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X^2-2x-3 what is the answer

1 Answer

5 votes

Answer:

x = -1 or x = 3

Explanation:

x² - 2x - 3 = 0

x² - 3x + x - 3 = 0

x(x - 3) + 1(x - 3) = 0

(x + 1)(x - 3) = 0

thus,

x = -1 or x = 3

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