x²(x-y)+(y-x) 9(a-b)²-16(a+b)² 因式分解x²(x-y)+(y-x)9(a-b)²-16(a+b)²
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/16 13:48:19
x²(x-y)+(y-x)9(a-b)²-16(a+b)²因式分解x²(x-y)+(y-x)9(a-b)²-16(a+b)²x²(
x²(x-y)+(y-x) 9(a-b)²-16(a+b)² 因式分解x²(x-y)+(y-x)9(a-b)²-16(a+b)²
x²(x-y)+(y-x) 9(a-b)²-16(a+b)² 因式分解
x²(x-y)+(y-x)
9(a-b)²-16(a+b)²
x²(x-y)+(y-x) 9(a-b)²-16(a+b)² 因式分解x²(x-y)+(y-x)9(a-b)²-16(a+b)²
x²(x-y)+(y-x)
=(x-y)(x²-1)
=(x-y)(x+1)(x-1);
9(a-b)²-16(a+b)²
=[3(a-b)]²-[4(a+b)]²
=[3(a-b)+4(a+b)][3(a-b)-4(a+b)]
=(7a+b)(-a-7b)
=-(7a+b)(a+7b).
x2(x-y)+(y-x)
=x2(x-y)-(x-y)
=(x2-1)(x-y)
=(x+1)(x-1)(x-y)
9(a-b)2-16(a+b)2
=(3a-3b)2-(4a+4b)2
=(3a-3b+4a+4b)(3a-3b-4a-4b)
=(7a+b)(-a-7b)
=-(7a+b)(a+7b)
(x-1)(x+1)(x-y)
-(7a+b)(a+7b)
因式分解: 16(x-y)²-9(x+y)²
(3x-2y)²(3x-2y)²(9x²+4y²)²
计算或化简:[(x-y)/(x+3y)]÷[(x²-y²)/(x²+6xy+9y²)]-(2y)/x+y
9(x-y)²+12(x²-y²)+4(x+y)² 因式分解
分解公因式 (x+y)²-2(x²-y²)+(x-y)²
(x+y)²-2(x²-y²)+(y-x)²
x²-y²-x-y因式分解
因式分解(x-y)²+6(x-y)+9
因式分解:(x+y)²+6(x+y)+9
16(x-y)²-9(x+y)²
9a²(x-y) +4b²(y-x)
(x+y+z)²-(x-y-z)²
因式分解:(x-2y)²-(2x+y)²
6xy²-9x²y-y²因式分解
已知(x²+y²)(x²+y²-6)+9=0 ,求x²+y²的值.
作乘法:(x+y)(x²-xy+y²);(x-y)(x²+xy+y²)
约分(初二数学的分式)x²+y²-9-2xy/x²-y²+6x+9
x²-y²+6x+9分之x²+y²-9-2xy