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I need to factorise this equation and i`ve tried but really can't find the answer!
10n² - 20N + 10
Help?
thanks.
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First, take out the common multiple of 10.
10(n² - 2n + 1)
The bit in the brackets now factorises easily, to give:
10(n-1)²
Why did the vector cross the road?
It wanted to be normal.
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Ah thanks!
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