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2x 2+13x+15 = (2x + )(x + ) since the only way to get 2 is 1 times 2.

The missing numbers must be filled with with 1 and 15 or 3 and 5 in some order, so by trial and error we get.

2x 2+13x+15 = (2x + 3 )(x + 5 )

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14y ago

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