因式分解 1.-4m^3-16m^2+8m 2.6a(b-a)^2-2(a-b)^3 3.6(x-30^2+3x-9 4
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/07/27 03:13:56
因式分解 1.-4m^3-16m^2+8m 2.6a(b-a)^2-2(a-b)^3 3.6(x-30^2+3x-9 4.(3a-4b)(7a-8b)+(11a+2b)(8b-7a)
![因式分解 1.-4m^3-16m^2+8m 2.6a(b-a)^2-2(a-b)^3 3.6(x-30^2+3x-9 4](/uploads/image/z/19992858-42-8.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3+1.-4m%5E3-16m%5E2%2B8m+2.6a%28b-a%29%5E2-2%28a-b%29%5E3+3.6%28x-30%5E2%2B3x-9+4)
1.-4m^3-16m^2+8m
=-4m(m^2+4m-2)
2.6a(b-a)^2-2(a-b)^3
=2(a-b)^2[3a-(a-b)]
=2(a-b)^2(2a+b)
3.6(x-3)^2+3x-9
=3(x-3)[2(x-3)+3]
=3(x-3)(2x-3)
4.(3a-4b)(7a-8b)+(11a+2b)(8b-7a)
=-(3a-4b)(8b-7a)+(11a+2b)(8b-7a)
=(8b-7a)[-(3a-4b)+11a+2b]
=(8b-7a)(8a+6b)
=2(8b-7a)(4a+3b)
=-4m(m^2+4m-2)
2.6a(b-a)^2-2(a-b)^3
=2(a-b)^2[3a-(a-b)]
=2(a-b)^2(2a+b)
3.6(x-3)^2+3x-9
=3(x-3)[2(x-3)+3]
=3(x-3)(2x-3)
4.(3a-4b)(7a-8b)+(11a+2b)(8b-7a)
=-(3a-4b)(8b-7a)+(11a+2b)(8b-7a)
=(8b-7a)[-(3a-4b)+11a+2b]
=(8b-7a)(8a+6b)
=2(8b-7a)(4a+3b)
因式分解12:m²-3m+2=(m+a)(m+b),a=( ),b=( )
因式分解:① 25x^4-10x+1 ②16(a-b)^2-9(a+b)^2 ③m(a-b)-5(b-a)
因式分解:x^2(a-b)^2-y^2(b-a)^2 (3m+2n)^2-(2m+3n)^2 16(m-n)^2-25(
#define M(x) x*x int a=3,b=2; M(a+b)/M(a+b)=?
(a+b)m^2-(b+a) 因式分解
m^2(a+b)-a-b因式分解
因式分解 (a-b)+x平方(b-a) 4M平方—(m+n)平方 (x-y)平方-2(y-z)+1 -4a平方x平方+8
因式分解:2m³-8m;4(a-b)²-16(a+b)²
因式分解 m^2(a+b)-4(a+b)
1/27a^(3m-m) -1/3a^(m-n)*b^2n因式分解
因式分解1、m²(m-1)-4(1-m)²2、1-a²+ab-1/4b²3、x&
分解因式:a^3-a,b^2(x-3)+b^2(3-x),16(m-n)^2-9(m+n)^2,4x^2(x-y)+(y