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01-08-2018
Mathematics

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9x multiplied by 9x -4x-5=0

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choixongdong choixongdong

01-08-2018

9x(9x -4x-5=0)

9x (5x - 5) = 0

9x = 0; x = 0

5x - 5 = 0

5x = 5

x = 1

Answer

x = 0, 1

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