Mathematics
x3 - 4x is equal to:
x(x + 4) (x - 4)
x(x + 2) (x - 2)
(x + 4) (x - 4)
(x + 2) (x - 2)
Factorisation
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Answer
x3 - 4x
= x (x2 - 4)
= x ((x)2 - (2)2)
Using the formula
[∵ (x2 - y2) = (x + y)(x - y)]
= x (x + 2)(x - 2)
Hence, option 2 is the correct option.
Answered By
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