(a + 7) (a-7)
please give the answer for me using this formula
(x + y) (x - y) = x² - y²
please
Answers
Answered by
1
Answer:
( a + 7)(a -7)
= a² - 7²
= a² - 49.
Step-by-step explanation:
other important formula
( a ± b) ² = a² + b² ± 2ab
Answered by
0
Answer:
(a+7) (a-7)
(formula) = a^2 - (7)^2
= a^2 - 49
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