Sunday

August 31, 2014

August 31, 2014

Posted by **kayla** on Thursday, July 12, 2007 at 5:13pm.

solve by completing the square

show steps plz :D

Add 4 to both sides. What is 1/2 of -9? Then square that, and add it to both sides.

Now, on the left, you have a perfect square.. (x-9/2). Take the square root of each side. Remember the right side will be +-.

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