Q. 254.2( 5 Votes )

# If <img wid

Answer :

Given,   [(2x + 4)x + 4(x + 2)-1(2x + 4)] = 0

2 + 4x + 4x + 8-2x-4 = 0

2 + 6x + 4 = 0

2 + 2x + 4x + 4 = 0

2x(x + 1) + 4(x + 1) = 0

(x + 1)(2x + 4) = 0

x = -1 or x = -2

Hence, x = -1 or x = -2

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