a4+ma2+1 |
3a3+ma2+3a |
(−4a−1)2+ma2+1 |
3a(−4a−1)+ma2+3a |
=
(16+m)a2+8a+2 |
(m−12)a2 |
=
(16+m)a2+8a+2 |
(m−12)(−4a−1) |
=
(16+m)(−4a−1)+8a+2 |
(m−12)(−4a−1) |
∴(16+m)(-4a-1)+8a+2=5(m-12)(-4a-1),
原式可化为(16+m)(-4a-1)-5(m-12)(-4a-1)=-8a-2,
即[(16+m)-5(m-12)](-4a-1)=-8a-2,
∵a≠0,
∴(16+m)-5(m-12)=2,
解得m=
37 |
2 |
故答案为
37 |
2 |