Answer:
- 49
Explanation:
(t−7)(t+7)
=(t+−7)(t+7)
=(t)(t)+(t)(7)+(−7)(t)+(−7)(7)
=+7t−7t−49
=−49
The product is just the result of multiplication
(t-7)(t+7)
t(t)+7t-7t-7(7)
t^2-49
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