You can
put this solution on YOUR website!Are you sure that they don't want him to FOIL?

Start with the given expression
Remember, when you FOIL an expression, you follow this procedure:
Multiply the First terms:
Multiply the Outer terms:
Multiply the Inner terms:
Multiply the Last terms:

Now collect every term to make a single expression

Now combine like terms
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Answer:
So

foils and simplifies to
In other words,