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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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What this question is asking you to find 80% of 25. 10% of 25 is 2.5 because there is always a decimal point directly to the right of the ones place. (25.0)
You would move the decimal point over one place to find 10% of a given number. How I would approach this is to multiply 2.5 by 8 to find 80% of 25

2.5 x 8 = 20

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Question: A square with sides of length 5 is positioned inside a square with sides of length 7. What is the total area between t
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