0.6x-(x²/16）=44.8,求x

0.6x-(x²/16）=44.8,求x
0.6x-(x²/16）=44.8,求x

0.6x-(x²/16）=44.8,求x
0.6x-(x²/16）=44.8
96x-10x²=448*16
5x²-48x+3584=0
判别式=48^2-4*5*3584

化简得x²-9.6x+716.8=0
显然△＜0，方程无解
ok~~