evaluate (3x-2) (3x+2)
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Answered by
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Answer:
(3x)^2+2-6x-4 =(3x)^2-6x-2
Answered by
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Answer:
9x²-4
Step-by-step explanation:
(3x-2)(3x+2)
It is in (a+b) (a-b) form
(a+b) (a-b) =a²-b²
=>(3x)²-2²
= 9x²-4
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