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Solve the following quadratic equations by completing the square. a. x^2+ 6x + 7 = 0

Solve the following quadratic equations by completing the square. a. x^2+ 6x + 7 = 0
asked 14.1k views
3 votes
Solve the following quadratic equations by completing the square.
a. x^2+ 6x + 7 = 0

asked
User Snap
by
8.3k points

1 Answer

3 votes

Answer:

x=-3±
√(2)

Explanation:

x^2+6x=-7

x^2+6x+9=-7+9

(x+3)^2=2

x+3=±
√(2)

x=-3±
√(2)

answered
User Rafia
by
8.4k points
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