MCQ
$3x^3 + 2x^2 + 3x + 2 = ?$
- A$(3x - 2)(x^2 - 1)$
- B$(3x - 2)(x^2 + 1)$
- C$(3x + 2)(x^2 - 1)$
- ✓$(3x + 2)(x^2 + 1)$
✓
Answer
Correct option: D.
$(3x + 2)(x^2 + 1)$
$ 3x^3 + 2x^2 + 3x + 2$
$= x^2(3x + 2) + 1(3x + 2)$
$= (3x + 2)(x^2 + 1)$
$= x^2(3x + 2) + 1(3x + 2)$
$= (3x + 2)(x^2 + 1)$
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