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12-04-2018
Mathematics

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Find the solutions for x when y is equal to 0.
y = x2 - 3x -18

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12-04-2018

y = x² - 3x - 18

When y = 0,

x² - 3x - 18 = 0

(x + 3)(x - 6) = 0

x = -3 or x = 6

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