Question:
The factorization of 4x2 + 8x+ 3 is
(a) (x +1) (x + 3)
(b) (2x+1) (2x + 3)
(c) (2x + 2) (2x + 5)
(d) (2x -1) (2x – 3)
Solution:
(b) Now, 4x2 + 8x + 3= 4x2 + 6x + 2x + 3 [by splitting middle term]
= 2x(2x+ 3) + 1 (2x+ 3)
= (2x + 3) (2x + 1)
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