帮我解几道因式分解题-2a(a+b)+b(a+b) (x+p)^2-(x+q)^2 (a+b)^2-12(a+b)+36 (2a-b)^2+8ab (x+y)^2-4(x+y-1) 4+(a-1)(a-5)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 11:45:21
![帮我解几道因式分解题-2a(a+b)+b(a+b) (x+p)^2-(x+q)^2 (a+b)^2-12(a+b)+36 (2a-b)^2+8ab (x+y)^2-4(x+y-1) 4+(a-1)(a-5)](/uploads/image/z/403702-70-2.jpg?t=%E5%B8%AE%E6%88%91%E8%A7%A3%E5%87%A0%E9%81%93%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E9%A2%98-2a%28a%2Bb%29%2Bb%28a%2Bb%29+%28x%2Bp%29%5E2-%28x%2Bq%29%5E2+%28a%2Bb%29%5E2-12%28a%2Bb%29%2B36+%282a-b%29%5E2%2B8ab+%28x%2By%29%5E2-4%28x%2By-1%29+4%2B%28a-1%29%28a-5%29)
帮我解几道因式分解题-2a(a+b)+b(a+b) (x+p)^2-(x+q)^2 (a+b)^2-12(a+b)+36 (2a-b)^2+8ab (x+y)^2-4(x+y-1) 4+(a-1)(a-5)
帮我解几道因式分解题
-2a(a+b)+b(a+b) (x+p)^2-(x+q)^2 (a+b)^2-12(a+b)+36 (2a-b)^2+8ab
(x+y)^2-4(x+y-1) 4+(a-1)(a-5)
帮我解几道因式分解题-2a(a+b)+b(a+b) (x+p)^2-(x+q)^2 (a+b)^2-12(a+b)+36 (2a-b)^2+8ab (x+y)^2-4(x+y-1) 4+(a-1)(a-5)
-2a(a+b)+b(a+b)
(a+b)(b-2a)
(x+p)^2-(x+q)^2
=(x+p+x+q)(x+p-x-q)
= (2x+p+q)(p-q)
(a+b)^2-12(a+b)+36
=((a+b)+6)²
(2a-b)^2+8ab
= 4a²-4ab +b²+ 8ab
= (2a+b)²
(x+y)^2-4(x+y-1)
=(x+y-2)^2
4+(a-1)(a-5)
= a²-6a+5 +4
=a²-6a +9
= (a-3)²
-2a(a+b)+b(a+b) =(a+b)( b-2a)
(x+p)^2-(x+q)^2 =(2x+p+q)(p-q)
(a+b)^2-12(a+b)+36 =(a+b-6)^2
(2a-b)^2+8ab=(2a+b)^2
(x+y)^2-4(x+y-1) =(x+y-2)^2
4+(a-1)(a-5)=(a-3)^2
(b-2a)(a+b) (2x+p+q)(p-q) (a+b+6)² (2a+b)² (x+y-2)²
(a-3)²