MCQ
The factorisation of 4x2 + 8x + 3 is:
- A(2x - 1) (2x - 3)
- B(x + 1) (x + 3)
- C(2x + 1) (2x + 3)
- D(2x + 2) (2x + 5)
✓
Answer
- (2x + 1) (2x + 3)
Solution:
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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