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Solve the equation x2 + 4x -7 = 0 by completing the square Give your answers correct to 2 decimal places.

Solve the equation x2 + 4x -7 = 0 by completing the square Give your answers correct to 2 decimal places.
175k views
2 votes
Solve the equation

x2 + 4x -7 = 0
by completing the square
Give your answers correct to 2 decimal places.

User Cedd
by
7.3k points

1 Answer

12 votes

Answer:

2×+4×-7=0

2×+4×=0+7

6×=7

=7

_

6 _

User Fassl
by
8.6k points
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