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Answer
The expanded form is
, so the correct answer is A.
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Mind Expander
To simplify
, start by distributing
over
.
- Multiply
with both terms: . - Then multiply
with both terms: . - Combine the results:
.
So the answer is A.
.
When it comes to polynomial multiplication, one common pitfall is forgetting to distribute each term correctly or omitting the negative signs. Double-checking each step ensures that you capture every component accurately, leading to the correct final expression.