Mathematics
Grade10
Easy
Question
Factorise x2 - 12x + 27.
- (x – 9) (x – 3)
- (x + 9) (x – 3)
- (x – 3) (x – 4)
- (x – 3) (x + 4)
The correct answer is: (x – 9) (x – 3)
Factors of 27 are -9 and -3
And sum of -9 + (-3) = -12
So, the factors of the given equation x2 - 12x + 27 is (x – 9) (x – 3)
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