已知一个多项式与单项式7a^5b^3的积为14a^7b^3-[21a^5b^5+2b﹙7a³b³﹚²],则这个多项式为________
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![已知一个多项式与单项式7a^5b^3的积为14a^7b^3-[21a^5b^5+2b﹙7a³b³﹚²],则这个多项式为________](/uploads/image/z/5903023-31-3.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%80%E4%B8%AA%E5%A4%9A%E9%A1%B9%E5%BC%8F%E4%B8%8E%E5%8D%95%E9%A1%B9%E5%BC%8F7a%5E5b%5E3%E7%9A%84%E7%A7%AF%E4%B8%BA14a%5E7b%5E3-%5B21a%5E5b%5E5%2B2b%EF%B9%997a%26%23179%3Bb%26%23179%3B%EF%B9%9A%26%23178%3B%5D%2C%E5%88%99%E8%BF%99%E4%B8%AA%E5%A4%9A%E9%A1%B9%E5%BC%8F%E4%B8%BA________)
已知一个多项式与单项式7a^5b^3的积为14a^7b^3-[21a^5b^5+2b﹙7a³b³﹚²],则这个多项式为________
已知一个多项式与单项式7a^5b^3的积为14a^7b^3-[21a^5b^5+2b﹙7a³b³﹚²],则这个多项式为________
已知一个多项式与单项式7a^5b^3的积为14a^7b^3-[21a^5b^5+2b﹙7a³b³﹚²],则这个多项式为________
2a^2-3b^2-14a*b^4
这个多项式是2*a^2-3*b^2+14*a*b^4