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Answers by Eytan K.

Maybe the best way to prove this is just to multiply (3x+2) times (x-5). We would use the FOIL method, which stands for First, Outer, Inner, Last. Here are the steps: 1. multiply the first, meaning the 3x times the x. This gives us 3x^2. 2. Multiply the outer, which means the 3X times...