alleryStart learning →Use both identities to reduce (x+1)(x−1)−(x−2)².
A−4x − 5
B4x − 5
C4x + 3
D4x − 3
Answer & Solution
Correct answer: B. 4x − 5
The expression is x² − 1 minus x² − 4x + 4, which simplifies to 4x − 5.
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