Question

x²y-4xy²+7xy from 2x²y +3xy²-xy
please do this quickly ​

Answer 1

$x ^ { 2 } y - 4 x y ^ { 2 } + 7 x y 2 x ^ { 2 } y + 3 x y ^ { 2 } - x y \\ = xy\left(x-4y+7y_{2}x^{2}+3y-1\right)$