What are the zeroes of the quadratic polynomial 9x 2 – 20x + 11?
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Step-by-step explanation:
9x² - 20x + 11 = 0
9x² - 9x - 11x + 11 = 0
9x(x - 1) - 11(x - 1) = 0
(9x - 11) (x - 1) = 0
x = 11/9 , 1
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