Determine the product of each sum and difference of two terms.
(x + 1)(x - 1)
(x + 4)(x-4)
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Determine the product of each sum and difference of two terms.
(x + 1)(x - 1)
(x + 4)(x-4)
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Answer:
1. x²-1
2. x²-16
Step-by-step explanation:
1. (x + 1)(x - 1)
=x²- 1x + 1x - 1
=x²-1
2. (x + 4)(x - 4)
=x²- 4x + 4x - 16
=x²- 16
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