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Solve the equation by completing the square. X^2 + 18x = 6

Solve the equation by completing the square. X^2 + 18x = 6-example-1
User Shamicka
by
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1 Answer

4 votes

Answer:


x_(1)=-9+√(87)


x_(2)=-9-√(87)

Explanation:

Quadratic Equation given:


x^2 + 18x = 6


x^2 + 18x + 81= 6+81

Completing the square:


(x+9)^2=87


x+9=\pm√(87)


x=-9\pm√(87)

User Vahe Galstyan
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5.2k points