4xy(1/2y + 3/2x)
= 4xy( (y+3x)/2 )
= 2xy^2 + 6x^2y
none of the choices
I suspect a typo
did you mean
4xy(1/(2y) + 3/(2x) ) ?
= 4xy( (x + 3)/(2xy) )
= 2(x + 3y)
= 2x + 6y
looks like you did have a typo.
yes,4xy(1/(2y) + 3/(2x) )
1/(2y) + 3/(2x) = x/(2xy) + 3y/(2xy) = (x+3y)/(2xy)
and now it's easy, eh?
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