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which of the following factors gives a product of ײ+5×+4?
A.(×+1)(×+4)
B.(×+2)(×+2)
C.(×+5)(×-1)
D.(×+2)²​


Sagot :

Answer:

A. (x + 1)(x + 4)

Step-by-step explanation:

Factor the polynomial x² + 5x + 4:

x² + 5x + 4

= x² + 4x + x + 4

= (x² + 4x) + (x + 4)

= x(x + 4) + 1(x + 4)

= (x + 1)(x + 4)

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