Question: Expand and simplify Ok, I know the first step is to do change the negative thingy but I don't know how to. It doesn't seems to make sense to me, can someone share their first step on solving this problem? It's frustrating.........
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Originally Posted by FailInMaths Question: Expand and simplify Ok, I know the first step is to do change the negative thing No it is not. First, expand.
Originally Posted by Plato No it is not. First, expand. Oh, I am starting to see something, so after this I just have to evaluate? Answer: 1+4x-x^2 ?
Originally Posted by FailInMaths Oh, I am starting to see something, so after this I just have to evaluate? Answer: 1+4x-x^2 ? Yes.
Originally Posted by Plato Yes. Thank you!