把(x-y),(a+b)作为一个因式,合并同类项把(x-y),(a+b)作为一个因式,合并同类项。 (1)3(x-y)^2-9(x-y)-8(x-y)^2+6(x-y)-1 (2)2(a+b)-5/8(a+b)^2-2/3(a+b)+3(a+b)^2+2
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/15 17:12:09
![把(x-y),(a+b)作为一个因式,合并同类项把(x-y),(a+b)作为一个因式,合并同类项。 (1)3(x-y)^2-9(x-y)-8(x-y)^2+6(x-y)-1 (2)2(a+b)-5/8(a+b)^2-2/3(a+b)+3(a+b)^2+2](/uploads/image/z/6918510-30-0.jpg?t=%E6%8A%8A%28x-y%29%2C%28a%2Bb%29%E4%BD%9C%E4%B8%BA%E4%B8%80%E4%B8%AA%E5%9B%A0%E5%BC%8F%2C%E5%90%88%E5%B9%B6%E5%90%8C%E7%B1%BB%E9%A1%B9%E6%8A%8A%28x-y%29%2C%28a%2Bb%29%E4%BD%9C%E4%B8%BA%E4%B8%80%E4%B8%AA%E5%9B%A0%E5%BC%8F%2C%E5%90%88%E5%B9%B6%E5%90%8C%E7%B1%BB%E9%A1%B9%E3%80%82+%281%293%28x-y%29%5E2-9%28x-y%29-8%28x-y%29%5E2%2B6%28x-y%29-1+%282%292%28a%2Bb%29-5%2F8%28a%2Bb%29%5E2-2%2F3%28a%2Bb%29%2B3%28a%2Bb%29%5E2%2B2)
x){եQ[d';v=dǪ<ӯtBӝ۞Nyq˅;IUIAP)Hе |C
#M#`P1m6I*'dilja~O'o>^[]S
t
ajZ[ F%:L@.0t@ )
把(x-y),(a+b)作为一个因式,合并同类项把(x-y),(a+b)作为一个因式,合并同类项。 (1)3(x-y)^2-9(x-y)-8(x-y)^2+6(x-y)-1 (2)2(a+b)-5/8(a+b)^2-2/3(a+b)+3(a+b)^2+2
把(x-y),(a+b)作为一个因式,合并同类项
把(x-y),(a+b)作为一个因式,合并同类项。 (1)3(x-y)^2-9(x-y)-8(x-y)^2+6(x-y)-1 (2)2(a+b)-5/8(a+b)^2-2/3(a+b)+3(a+b)^2+2
把(x-y),(a+b)作为一个因式,合并同类项把(x-y),(a+b)作为一个因式,合并同类项。 (1)3(x-y)^2-9(x-y)-8(x-y)^2+6(x-y)-1 (2)2(a+b)-5/8(a+b)^2-2/3(a+b)+3(a+b)^2+2
(1)
原式=-5(x-y)^2 -3(x-y) -1
(2)
原式=19/8(a+b)^2 + 4/3(a+b) + 2