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19-08-2019
Mathematics

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write an equivalent expression for (2 m + 3) (m - 1)

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19-08-2019

Answer:

[tex]2m^2-3m-9[/tex]

Step-by-step explanation:

use FOIL

F-firsts

[tex]2m*m=2m^2[/tex]

O-outer

[tex]2m*-3=-6m[/tex]

I-inner

[tex]3*m=3m[/tex]

L-lasts

[tex]3*-3=-9[/tex]

[tex]2m^2-6m+3m-9\\\\-6m+3m=-3m\\\\2m^2-3m-9[/tex]

(2m+3)(m-3)

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