Expand : (3x+1)(3x-1)
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Answered by
5
(3x+1)+(3x-1)
3x(3x+1)+1(3x-1)
9x²+3x+3x-1
9x²+6x-1
3x(3x+1)+1(3x-1)
9x²+3x+3x-1
9x²+6x-1
Answered by
3
(3x+1)(3x-1)
=9x^2-3x+3x-1
It's the expanded form....
=9x^2-3x+3x-1
It's the expanded form....
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