(3a-4)×(3a+4) ( solve using suitiable properties)
Answers
Answered by
0
Answer:
(3a)^2-(4)^2
Step-by-step explanation:
a^2-b^2=(a+b)x(a-b)
Answered by
1
Answer:
use that
( a-b ) ( a+ b ) = a^2 - b^2
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