(a+b)²-(a+b)-6=(a+b-3)(a+b-2)
6y²-11y+3=(3y-1)(2y-3)
2x²-11xy+5y²=(2x-y)(x-5y)
6x²y²-7x²y-5x²=x²(2y-1)(3y+5)
几道十字相乘法分解
几道十字相乘法分解
1、(a+b)∧-(a+b)-6
2,6y-11y∧+3
3,2x∧-11+5y∧
4,6x∧y∧-7x∧y-5x∧
∧=平方
1、(a+b)∧-(a+b)-6
2,6y-11y∧+3
3,2x∧-11+5y∧
4,6x∧y∧-7x∧y-5x∧
∧=平方
其他人气：426 ℃时间：2020-02-04 06:21:16
优质解答
我来回答
类似推荐
猜你喜欢
- 1以瞬间为话题的作文 600字以上
- 2They stayed in Beijing for 50 years.提问for 50 years
- 3已知三角形的两边分别为2和4,第三边长为x,化简根号(x²-4x+4)-根号(1/4x²-3x+90)
- 4已知二次函数y=x的平方-kx-2+k
- 5Have you ever gone travelling on the train that was named after the letter D
- 6我眼中的风景 作文 w
- 7怎样通过波形图图看电磁波的频率,振幅,波源振动周期波速等物理量
- 8HE puts one hand across his eyes.
- 9南极冰的意义
- 10They were had a good weekend.这句话有错吗