Q. 135.0( 4 Votes )

x2 + 6x + 8=?
A. (x + 3) (x + 5)

B. x + 3) (x + 4)

C. (x + 2) (x + 4)

D. (x + 1) (x + 8)

Answer :

x2 + 6x + 8


Factorizing the equation and taking x and 2 as common,


= x2 + 4x + 2x + 8


= x(x + 4) +2(x + 4)


= (x + 2)(x + 4).

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