Mathematics, 15.10.2019 00:50 chayaharroch03

What number should be added to both sides of the equation in order to complete the square?
1. x2 + 20x = 10
2. x2 - 4x = 8
3. x2 + 5x = 3
4. x2 - 9x = 5
5. 2x2 - 48x = 10

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What number should be added to both sides of the equation in order to complete the square?
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