Question

If x² + 6x + 8 = (x + k)(x + 2), then k =
(a) -4
(b) -6
(c) 4
(d) 6​

Answer 1

Answer:

the answer is 4

Step-by-step explanation:

The answer is (c) 4

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Answer 2

X^2 + 6X + 8 = X^2 + 2X + kX + 2k

X^2 + 6X + 8 = X^2 + (2 + k)X + 2k



Comparing both the sides, we get
2+k=6 & 2k=8


Therefore, k=4



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