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If equation bx^2+2ax+c=0 and bx^2+2cx+a=0(c not equal to a)have a common root ,then b+4c+4a=____________ |
| Answer» If equation bx^2+2ax+c=0 and bx^2+2cx+a=0(c not equal to a)have a common root ,then b+4c+4a=____________ | |