(1)-2x²y(-2xy²)²+(2xy)³*(xy)²
=-2x²y(4x²y⁴)+(8x³y³)*(x²y²)
=-8x⁴y⁵+8x⁵y⁵
(2)3xy[2xy-x(y-2)+x]
=3xy[2xy-xy+2x+x]
=3xy[xy+3x]
=3x²y²+9x²y
(1)-2x²y(-2xy²)²+(2xy)³*(xy)²
=-2x²y(4x²y⁴)+(8x³y³)*(x²y²)
=-8x⁴y⁵+8x⁵y⁵
(2)3xy[2xy-x(y-2)+x]
=3xy[2xy-xy+2x+x]
=3xy[xy+3x]
=3x²y²+9x²y