Respuesta :

I cant see it very well but im taking it to be 
x^2 + 15x + 56

7*8 = 56 and 7 + 8 = 15  so it is

(x + 7)(x + 8)
musiclover10045

you have 15 x and 56

 so you need two numbers when added equal 15 and when multiplied equal 56

and since they are both positive, the answer also needs to be positive

 so B is the correct answer

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