x²-4x+y²-10y+29=0
(x²-4x+4)+(y²-10y+25)=0
(x-2)²+(y-5)²=0
x-2=0,y-5=0
x=2,y=5
x²y²+2x³y²+x四次方y²
=x²y²(1+2x+x²)
=x²y²(x+1)²
=4×25×9
=900
x²-4x+y²-10y+29=0
(x²-4x+4)+(y²-10y+25)=0
(x-2)²+(y-5)²=0
x-2=0,y-5=0
x=2,y=5
x²y²+2x³y²+x四次方y²
=x²y²(1+2x+x²)
=x²y²(x+1)²
=4×25×9
=900