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16-01-2020
Mathematics

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Which is a factor of x2 + 5x – 24?
A.) (х – 6)
B.) (х + 6)
C.) (х – 8)
D.) (х + 8)

Respuesta :

profarouk profarouk

16-01-2020

Good evening ,

Answer:

D. (х + 8)

Step-by-step explanation:

Since 8² + 5(-8) - 24 = 64 - 40 - 24 = 0 then 8 is a root of x² + 5x – 24

then (x-(-8)) is a factor of x² + 5x – 24

then (x+8) is a factor of x² + 5x – 24.

:)

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