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use the quadratic formula since there isn't a factor of 60 that when added together equals 19

The above answer is wrong because 4 and 15 are such numbers.

x2 + 19x + 60 = x2 + 4x + 15x + 60 = x(x + 4) + 15(x + 4) = (x + 4)(x + 15)

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15y ago

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