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-BARSIC- [3]
3 years ago
12

Solve by completing the square. x2^+8x= -20

Mathematics
1 answer:
Schach [20]3 years ago
3 0

Step-by-step explanation:

x2^+8x=-20

9x^2=20

x^2=20-9

x^2=11

√x^2=√11

x=√11

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