Expansion: Solution

2(x+7) = 2x+14

3(y-4) = 3y-12

-2(x+4) = -2x-8

3y(y+4) = 3y²+12y

2x(7-4y) = 14x-8xy

-3x(x-4) = -3x²+12x

-(y-4) = -y+4

y(7-y) = - 7y-y²

-3(4-x) - -12 3x

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