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Question
Find the product by using the formula.
(2) (p − 8) (p + 8)
(2) (p − 8) (p + 8)
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Solution
(p − 8) (p + 8)
The given expression is of the form (a + b) (a − b).
Thus, we can use the identity (a + b) (a − b) = a2 − b2 .
∴ (p − 8) (p + 8) = (p)2 − (8)2
= p2 − 64
The given expression is of the form (a + b) (a − b).
Thus, we can use the identity (a + b) (a − b) = a2 − b2 .
∴ (p − 8) (p + 8) = (p)2 − (8)2
= p2 − 64
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