因式分解 求解几道因式分解题,一定要有过程,1.a²(x-2a)²-a(2x-x)²2.(2x-3y)²-25x²3.4(x+y+z)²-9(x-y-z)²4.4x²-y²-6y-95.x²+²15xy+36y²6.(a+2b)³+277.a²-9ab-52b²8.x-x&
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因式分解 求解几道因式分解题,一定要有过程,1.a²(x-2a)²-a(2x-x)²2.(2x-3y)²-25x²3.4(x+y+z)²-9(x-y-z)²4.4x²-y²-6y-95.x²+²15xy+36y²6.(a+2b)³+277.a²-9ab-52b²8.x-x&
因式分解 求解几道因式分解题,一定要有过程,
1.a²(x-2a)²-a(2x-x)²
2.(2x-3y)²-25x²
3.4(x+y+z)²-9(x-y-z)²
4.4x²-y²-6y-9
5.x²+²15xy+36y²
6.(a+2b)³+27
7.a²-9ab-52b²
8.x-x²+42
9.x³+x-y-y³
10.ab(c²-d²)-cd(a²-b²)
11.a²(a+1)-b²(b-1)
12.x³-3x+2
13.x³-7x+6
14.x³-48x+7
15.a²(a+2b)²-9(a+2b)²
因式分解 求解几道因式分解题,一定要有过程,1.a²(x-2a)²-a(2x-x)²2.(2x-3y)²-25x²3.4(x+y+z)²-9(x-y-z)²4.4x²-y²-6y-95.x²+²15xy+36y²6.(a+2b)³+277.a²-9ab-52b²8.x-x&
楼主再仔细看看这15道题吧,第一题就有错误,改好之后我可以帮你做.
1.怀疑这道题你抄错了
2.原式=(2x-3y+5x)(2x-3y-5x)
=-3(7x-3y)(x+y)
3.原式=[2(x+y+z)-3(x-y-z)][2(x+y+z)+3(x-y-z)]
=-(x-5y-5z)(5x-y-z)
4.原式=4x²-(y+3)²
=(2x-y-3)(2x+y+3)
5.原式=(x+3y)(x+12y)
6.原式=(a+2b+3)[(a+2b)²-3(a+2b)+9]
7.原式=(a-13b)(a+4b)
8.原式=(7-x)(6+x)
9.原式=(x³-y³)+(x-y)=(x-y)(x²+xy+y²)+(x-y)
=(x-y)(x²+xy+y²+1)
10.原式=abc²-abd²-a²cd+b²cd=ac(bc-ad)+bd(bc-ad)
=(ac+bd)(bc-ad)
11.原式=a³+a²-b³+b²=(a³-b³)+(a²+b²)=(a-b)(a²-ab+b²)+(a²+ab+b²)-ab
=(a-b+1)(a²-ab+b²)-ab
12.原式=x³-x-2x+2=(x³-x)-2(x-1)=x(x²-1)-2(x-1)=x(x+1)(x-1)-2(x-1)
=(x-1)(x²+x-2)
13.原式=x³-7x+6=(x³-x)-6(x-1)=x(x²-1)-6(x-1)=x(x+1)(x-1)-6(x-1)
=(x-1)(x²+x-6)
14.原式=x³-49x+x+7=x(x²-49)+(x+7)=x(x+7)(x-7)-(x+7)
=(x+7)(x²-7x-1)
15.原式=(a+2b)²(a²-9)
=(a+2b)²(a+3)(a-3)怀疑这道题你也抄错了.
希望楼主采纳
不会
!!!!!!!!!!!!!!!!!!!!!!1