Mathematics
Grade10
Easy
Question
Factorise x2 - 13x + 30.
- (x + 6) (x – 5)
- (x – 5) (x + 6)
- (x – 10) (x + 3)
- (x – 10) (x – 3)
The correct answer is: (x – 10) (x – 3)
Given that,
x² - 13x + 30
Factors of 30 are -10 and -3.
And -10 + (-3) = -13
(x – 10) (x – 3)
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