Verified Answer :

MeenaMe

( x-4) (3x -y)

multiply the first X with the other two terms in the other paranthesis

so x 3x and x -y

and ull get 

3x^2 - xy 

now multiply the -4 with the two terms of other paranthesis

so -4 3x and -4 -y 

and u get -12x and 4y

cant simpligly so 

3x^2 - xy -12x + 4y


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