(3x-1)(3x+1) solve please fast
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Answered by
0
Answer:
9x2-1
Step-by-step explanation:
(3x-1)(3x+1)
=(3x)2-(1)2
=9x2-1
Answered by
0
Answer:
(a-b) (a+b) =(a^2-b^2)
a=3x b=1
=(3x)^2-1^2
=9x^2-1
please make me as brinlest
Step-by-step explanation:
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