Respuesta :

Hamilton1757
The quadratic that has the roots x=8 and x=-5 is 
x^2-3x-40

Hope this helps you! (:
-Hamilton1757

Answer:

this is correct beacuse

Step-by-step explanation:

x^2-3x-40

x^2-8x-5x-40

x(x-8)-5(x-8)

(x-8)(x-5)

the roots are

x=8 x=5

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