【急!两道初中数学解方程题,赏分追加~】(x²-1)(x=3)-(2x-1)(x+1)=x(3x²+7x)+4(x+a)(x+2)=x²+(5+b)x+a-2对于任意的x恒成立,求a,b的值要详细过程谢谢
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 12:53:19
![【急!两道初中数学解方程题,赏分追加~】(x²-1)(x=3)-(2x-1)(x+1)=x(3x²+7x)+4(x+a)(x+2)=x²+(5+b)x+a-2对于任意的x恒成立,求a,b的值要详细过程谢谢](/uploads/image/z/2539159-7-9.jpg?t=%E3%80%90%E6%80%A5%21%E4%B8%A4%E9%81%93%E5%88%9D%E4%B8%AD%E6%95%B0%E5%AD%A6%E8%A7%A3%E6%96%B9%E7%A8%8B%E9%A2%98%2C%E8%B5%8F%E5%88%86%E8%BF%BD%E5%8A%A0%7E%E3%80%91%EF%BC%88x%26sup2%3B-1%EF%BC%89%EF%BC%88x%3D3%29-%282x-1%29%28x%2B1%29%3Dx%283x%26sup2%3B%2B7x%29%2B4%28x%2Ba%29%28x%2B2%29%3Dx%26sup2%3B%2B%EF%BC%885%2Bb%29x%2Ba-2%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E7%9A%84x%E6%81%92%E6%88%90%E7%AB%8B%2C%E6%B1%82a%2Cb%E7%9A%84%E5%80%BC%E8%A6%81%E8%AF%A6%E7%BB%86%E8%BF%87%E7%A8%8B%E8%B0%A2%E8%B0%A2)
xQJA}&vs6
jwY $XCjH+LMwWqFjX=|?F3}ȬʒӺdN]iYíU;Vj{A"77;}xصrz$868U˄"SSt*AZ
Z)!-R
qt:,[.eN]kDRVׯfz뀕}7isy24˞N&2 g%r%Lʱ['(8 *
&44
)A3rs\O©UO$@ &k')Ýq\Mc3&