Question 1016156
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Assuming you want to find the number.
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x=the number
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(x+8)(x+5)=19
x^2+13x+40=19
x^2+13x+21=0
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*[invoke quadratic "x", 1, 13, 21 ]
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ANSWER: The number is -1.89 or -11.11.
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CHECK:
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For x=-1.89
(x+8)(x+5)=19
(-1.89+8)(-1.89+5)=19
(6.11)(3.11)=19
19=19
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For -11.11
(-11.11+8)(-11.11+5)=19
(-3.11)(-6.11)=19
19=19
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