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add:- 2a-3b+3c-4d,3a-b-2c+2d
With complete solution.


Sagot :

[tex]\huge\bold\green{answer}[/tex]

[tex]\\ \sf\longmapsto \: a( + 2 + 3) + b( - 3 - 1) + c( + 3 - 2) + d( - 4 + 2) \\ [/tex]

[tex]\\ \sf\longmapsto \: + 5a - 4b + c \: - 2d \: [/tex]

Answer:

=-2a-3b+3c-4d+3a-b-2c+2d

collect like terms

=-2a+3a-3b-b+3c-2c-4d+2d

=a-4b+c-2d