(-2m+3)( )=4m²-9

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(-2m+3)( )=4m²-9
(-2m+3)( )=4m²-9

(-2m+3)( )=4m²-9
-2m-3

(-2m-3)

4m²-9
=(2m+3)(2m-3)
=-(2m+3)(3-2m)

-2M-3