I know this is wrong; where have I screwed up. Using the cover up method, I know that A should equal -1. Help. TIA.
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I think your line should be x - 6 = Ax^2 + Bx(x-2) + C(x-2) which gives:
x - 6 = Ax^2 + Bx^2 - 2Bx + Cx - 2C which has a term 2Bx instead of 2B if you are using that particular decomposition listed above.
Thank you. It must be time to quit doing math for the night.
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