Hi, Im a bit stuck when it comes to completing the square of the following, (x^2 + 6x) +7(y^2 - y ) I get [(x+3)^2 -9 ] + 7 [(y -1/2)^2 - 1/2] This doesnt seem right any clues as to where I am going wrong would be greatly appreciated Thanks
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Originally Posted by offahengaway and chips Hi, Im a bit stuck when it comes to completing the square of the following, (x^2 + 6x) +7(y^2 - y ) I get [(x+3)^2 -9 ] + 7 [(y -1/2)^2 - 1/2] This doesnt seem right any clues as to where I am going wrong would be greatly appreciated Thanks The red above should be -1/4.
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