已知多项式3a²b³-8ab+5与4a²b+2/5ab-n+2的常数项相同,求n²-n+3的值
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![已知多项式3a²b³-8ab+5与4a²b+2/5ab-n+2的常数项相同,求n²-n+3的值](/uploads/image/z/12511622-38-2.jpg?t=%E5%B7%B2%E7%9F%A5%E5%A4%9A%E9%A1%B9%E5%BC%8F3a%26%23178%3Bb%26%23179%3B-8ab%2B5%E4%B8%8E4a%26%23178%3Bb%2B2%2F5ab-n%2B2%E7%9A%84%E5%B8%B8%E6%95%B0%E9%A1%B9%E7%9B%B8%E5%90%8C%2C%E6%B1%82n%26%23178%3B-n%2B3%E7%9A%84%E5%80%BC)
已知多项式3a²b³-8ab+5与4a²b+2/5ab-n+2的常数项相同,求n²-n+3的值
已知多项式3a²b³-8ab+5与4a²b+2/5ab-n+2的常数项相同,求n²-n+3的值
已知多项式3a²b³-8ab+5与4a²b+2/5ab-n+2的常数项相同,求n²-n+3的值
5=-n+2
n=-3
n²-n+3
=(-3)²-(-3)+3
=9+3+3
=15