1.(4x-3y)^22.(2x+5b)^23.(4x-3y)^24.(-2m-1)^25.(3x+4)(3x-4)-(2x+3)(3x-2)6.(y+2)(y-2)-(y-1)(y+5)7.(3x-5)^2-(2x+7)^28.(2x+3y)^2-(2x+y)(2x-y)9.(x+y+1)(x+y-1)10.(2x-y-3)^2第三题和第一题一样,所以不用写第三题了,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 18:12:36
![1.(4x-3y)^22.(2x+5b)^23.(4x-3y)^24.(-2m-1)^25.(3x+4)(3x-4)-(2x+3)(3x-2)6.(y+2)(y-2)-(y-1)(y+5)7.(3x-5)^2-(2x+7)^28.(2x+3y)^2-(2x+y)(2x-y)9.(x+y+1)(x+y-1)10.(2x-y-3)^2第三题和第一题一样,所以不用写第三题了,](/uploads/image/z/14053417-25-7.jpg?t=1.%284x-3y%29%5E22.%282x%2B5b%29%5E23.%284x-3y%29%5E24.%28-2m-1%29%5E25.%283x%2B4%29%283x-4%29-%282x%2B3%29%283x-2%296.%28y%2B2%29%28y-2%29-%28y-1%29%28y%2B5%297.%283x-5%29%5E2-%282x%2B7%29%5E28.%282x%2B3y%29%5E2-%282x%2By%29%282x-y%299.%28x%2By%2B1%29%28x%2By-1%2910.%282x-y-3%29%5E2%E7%AC%AC%E4%B8%89%E9%A2%98%E5%92%8C%E7%AC%AC%E4%B8%80%E9%A2%98%E4%B8%80%E6%A0%B7%EF%BC%8C%E6%89%80%E4%BB%A5%E4%B8%8D%E7%94%A8%E5%86%99%E7%AC%AC%E4%B8%89%E9%A2%98%E4%BA%86%EF%BC%8C)
1.(4x-3y)^22.(2x+5b)^23.(4x-3y)^24.(-2m-1)^25.(3x+4)(3x-4)-(2x+3)(3x-2)6.(y+2)(y-2)-(y-1)(y+5)7.(3x-5)^2-(2x+7)^28.(2x+3y)^2-(2x+y)(2x-y)9.(x+y+1)(x+y-1)10.(2x-y-3)^2第三题和第一题一样,所以不用写第三题了,
1.(4x-3y)^2
2.(2x+5b)^2
3.(4x-3y)^2
4.(-2m-1)^2
5.(3x+4)(3x-4)-(2x+3)(3x-2)
6.(y+2)(y-2)-(y-1)(y+5)
7.(3x-5)^2-(2x+7)^2
8.(2x+3y)^2-(2x+y)(2x-y)
9.(x+y+1)(x+y-1)
10.(2x-y-3)^2
第三题和第一题一样,所以不用写第三题了,
1.(4x-3y)^22.(2x+5b)^23.(4x-3y)^24.(-2m-1)^25.(3x+4)(3x-4)-(2x+3)(3x-2)6.(y+2)(y-2)-(y-1)(y+5)7.(3x-5)^2-(2x+7)^28.(2x+3y)^2-(2x+y)(2x-y)9.(x+y+1)(x+y-1)10.(2x-y-3)^2第三题和第一题一样,所以不用写第三题了,
1、 16x^2-24xy+9y^2
2、 4x^2+20xb+25b^2
3、 16x^2-24xy+9y^2
4、 4m^2+4m+1
5、 9x^2-16-(6x^2+5x-6)=3x^2-5x-10
6、 y^2-4-(y^2+4y-5)=-4y+1
7、 (3x-5+2x+7)(3x-5-2x-7)=(5x+2)(x-12)
8、 (2x+3y)(2x+3y-2x+y)=(2x+3y)4y
9、 (x+y)^2-1=x^2+2xy+y^2-1
10、(2x-y)^2-6(2x-y)+9=4x^2-4xy+y^2-12x+6y+9