题目内容
4x-3x2+2=______.
∵4x-3x2+2=0时,x=
,
∴4x-3x2+2=-3x2+4x+2=-3(x-
)(x-
).
故答案为:-3(x-
)(x-
).
2±
| ||
| 3 |
∴4x-3x2+2=-3x2+4x+2=-3(x-
2+
| ||
| 3 |
2-
| ||
| 3 |
故答案为:-3(x-
2+
| ||
| 3 |
2-
| ||
| 3 |
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