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15-04-2017
Mathematics

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Which trinomial is the product of the expression below??
(K - 1)(K - 4)
A) k^2 - 5k + 4
B) K^2 - 5k - 4
C) k^2 - 4
D) k^2 + 5k + 4

Respuesta :

16-04-2017

(K - 1)(K - 4) = K^2 - 4K - K + 4 = k^2 - 5k + 4 which matches A.

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