计算题,帮个忙~计算题,帮个忙~
计算题,帮个忙~
(x-3)²-3(3-x²)+2=0x²-6x+9-9+3x²+2=04x²-6x+2=02x²-3x+1=0(2x-1)(x-1)=0x1=0.5, x2=1