This is why "FOIL" is such a dreadful thing. It leads students to think that this one special-case formula applies to all polynomial (and other) multiplication, when it very clearly does not. :shock:
(Note: You didn't include the actual instructions, nor the complete problem statements, so I am guessing that you are supposed to multiply and simplify. As posted, of course, there is nothing to "solve".)
To learn about multiplying expressions with exponents, please consider the following:
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