What is the factorized form of the expression: x² - 3x - 4 =?
- (x - 4)(x + 1)
- (x - 1)(x + 4)
- (x - 2)(x + 2)
- None of these
Explanation
The factors of -4 that add up to -3 are -4 and +1.
So, x² - 3x - 4 = (x - 4)(x + 1).
Related MCQs
- (x+5)(x−4)/(x−2)(x+2)
- x+5/x+2
- x−4/x−2
- x+5/x−2
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