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ADDITIONAL QUESTION BANK
Q.2) Solving equation x2 - 24x + 135 = 0 are, value(s) of x

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Correct

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x2 - 24x + 135 = 0
x2 - 15x - 9x + 135 = 0
x (x - 15) - 9(x - 15) = 0
(x - 15)(x - 9) = 0
x - 15 = 0, x - 9 = 0
x = 15, x = 9

ans: (b)