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Question


On subtracting (x+a) from (4x+3a), the result obtained is_____.


Options:
A .   3x+2a
B .   9x+6a
C .   11x+2a
D .   3x+7a
Answer: Option A
:
A

Arrange the polynomials with like terms one below the other. Change the sign of each term to be subtracted and then combine the like terms.


   4x + 3a    x +  a()    ()         3x + 2a
(4x+3a)(x+a)=3x+2a



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