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Naya [18.7K]
2 years ago
9

Factorise fully3x^3 - 9x​

Mathematics
1 answer:
olga_2 [115]2 years ago
7 0
3(x^2- 3)....................
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Answer:

The answer to all of those questions would be x=-1.8

Step-by-step explanation:

7x(x + 1.8) = 0 - Distribute through the Parenthesis -

7x^2 + 12.6x = 0

x(7x + 12.6) = 0


x = 0


7x + 12.6 = 0

7x = -12.6

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x = -1.8


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