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

User Mohammadreza Khahani
by
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1 Answer

3 votes

Explanation:

x2^+8x=-20

9x^2=20

x^2=20-9

x^2=11

√x^2=√11

x=√11

User Enselic
by
7.5k points
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