Gujarat BoardEnglish MediumSTD 8MATHSFactorization1 Mark
MCQ
When we factorise $^x2 + 5x + 6,$ then we get:
✓
$(x + 2) (x + 3)$
B
$(x - 2) (x - 3)$
C
$(x × 2) + (x × 3)$
D
$(x × 2) - (x × 3)$
✓
Answer
Correct option: A.
$(x + 2) (x + 3)$
A. $(x + 2) (x + 3)$ Solution:
The factors of a form:
$(x + a) (x + b) = x^2 + (a + b) x + ab$
$x^2+ 5x + 6$
$a + b = 5$ and $ab = 6$
$x^2 + 5x + 6 = (x + 2) (x + 3)$
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