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shusha [124]
3 years ago
13

Which of the following is a factor of 3x^3-12x? 3x-4 x+2 x+3 x-4

Mathematics
2 answers:
denis-greek [22]3 years ago
8 0

Answer:

x + 2

Step-by-step explanation:

given

3x³ - 12x ← factor out 3x from each term

= 3x(x² - 4) ← x² - 4 is a difference of squares, hence

= 3x(x - 2)(x + 2) ← fully factorised

hence x + 2 is a factor of the polynomial

VMariaS [17]3 years ago
6 0

Answer:

x + 2

Step-by-step explanation:

3x^3 - 12x

=3x(x^2 - 4)

= 3x(x + 2)(x - 2)

so (x+2), (x - 2) and 3x are the factors of 3x^3 - 12x

answer:

x + 2

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