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9x 2 7x 4
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9x 2 7x 4
9x 4 7x 2 16
4 7x 3 )u003d- 3 2 9x
(- 6x 2 4 )+( 9x 2 7x
7x 2 9x 7 )( 9x 4
9x 2 4 7x quadratic formula
4 7x 3 5 9x 2
9x 2 7x 4 0 factor
9x 2 7x 4 0 quadratic formula
9x 2 7x 4 0
9x 2 7x 4
