Notes
Completing The Square
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Completing The Square
You should complete the square if you cannot factorise.
x²+ax+b = (x+1/2a)²+(b-1/2a²)
e.g.
x²+8x+21 = (x+4)²+5
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- Completing The Square Notes
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- Oliver Hall · Apr 2017
- Updated
- Apr 29, 2017
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