x²-4x+y²-10y+29=0
x²-4x+4+y²-10y+25=0
(x-2)²+(y-5)²=0
∵(x-2)²≥0,(y-5)²≥0
∴x=2,y=5
代入原式=4×25+2×8×25+16×25
=900
(1)=(x-1)(x+3)
(2)=(x+2)(x+4)
(3)=(x-1)(x-3)
(4)=(x+1)(x-5)
(5)=(x+1)(x-7)
(6)=(x+1)(x-2)
x²-4x+y²-10y+29=0
x²-4x+4+y²-10y+25=0
(x-2)²+(y-5)²=0
∵(x-2)²≥0,(y-5)²≥0
∴x=2,y=5
代入原式=4×25+2×8×25+16×25
=900
(1)=(x-1)(x+3)
(2)=(x+2)(x+4)
(3)=(x-1)(x-3)
(4)=(x+1)(x-5)
(5)=(x+1)(x-7)
(6)=(x+1)(x-2)