Good so far? I fail to properly solve the equation system every time. I could really need another pair of eyes to look at what I've done so far, because this is driving me crazy.
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Seeing the answer may help see how to do it.
Originally Posted by Spec Mr F says: No. You've made a lot of mistakes. It should be: .
The simplest way is to then substitute convenient values of x into the above. For example, x = -1 will let you get B very easily.
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