已知6x2-7x2-3y2+14x+y+a=(2x-3y+b)(3x+y+c),确定a b c的值

问题描述:

已知6x2-7x2-3y2+14x+y+a=(2x-3y+b)(3x+y+c),确定a b c的值

6x2-7xy-3y2+14x+y+a=(2x-3y+b)(3x+y+c),
14=2c+3b,1=b-3c,a=bc,∴a=4,b=4,c=1.