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What is the product of (x-1)(x+1)
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What is the product of (x-1)(x+1)

User Sarahmichelle
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1 Answer

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Use foil method, (must know; (a²-b²) = (a-b)(a+b) )

(x-1)(x+1)
x²+1x-1x-1
x²-1
Hence, the final answer is x²-1
User Grigs
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