Find the following products:
1. (a-7)(a-7)
Answers
Answered by
1
Answer:
a²+49 - 14a
Step-by-step explanation:
(a-7)(a-7)
= (a-7)²
= a² + 7² - 2×7×a
= a² + 49 - 14a
Answered by
11
Answer:
a² - 14a =49
Step-by-step explanation:
⇒a²-2a×7+7²
⇒a² - 14a =49
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