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I can understand a lot of algebra, but the college algebra book I was reviewing didn't have trinomial multiplication like
\(\displaystyle (a + b + c)(x + y + z)\) It had about everything else in it. As I said, my goal is to go back and solidify the knowledge.
If we can avoid it - never.
By "method" - I assumed that you referred to the "expansion" process.
But it works - almost all the time.
I understand what your talking about now, and can complete the problem with your method. I just didn't understand the trinomial multiplication in the form of \(\displaystyle (a + b + c)(x + y + z)\), but now I do.
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