1.49+14x+x²-y²2.a²+2ab+b²+2a+2b快(⊙o⊙)哦
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/27 11:16:51
1.49+14x+x²-y²2.a²+2ab+b²+2a+2b快(⊙o⊙)哦1.49+14x+x²-y²2.a²+2ab+b&su
1.49+14x+x²-y²2.a²+2ab+b²+2a+2b快(⊙o⊙)哦
1.49+14x+x²-y²
2.a²+2ab+b²+2a+2b
快(⊙o⊙)哦
1.49+14x+x²-y²2.a²+2ab+b²+2a+2b快(⊙o⊙)哦
1.49+14x+x²-y²=(x+7)²-y²=(x+7+y)(x+7-y);
2.a²+2ab+b²+2a+2b=(a+b)(a+b)+2(a+b)=(a+b+2)(a+b)
(x+7-y)*(x+y+7)
(a+b)(a+b+2)
1.(x+7-y)(x+7+y)
2.(a+b+2)(a+b)
1.(x+7-y)(x+7+y)
2.(a+b+2)(a+b)
① 49+14x+x²-y²
=(x+7)²-y²
=(x+y+7)(x-y+7)
② a²+2ab+b²+2a+2b
=(a+b)²+2(a+b)
=(a+b)(a+b+2)
49+14x+x²-y²
-14x²y/3+x²y
一:(x²+1)y²-x²-1二:-49x²+14x-1+y²
14x²-2y²是4x²-y²的几倍?
x²-y²-x-y因式分解
因式分解-49x²+14x-1+y²
-49x²+14x-1+y²分解因式
若实数x,y满足2x²+3y²=1,S=3x²-2y²,则S的取值范围是多少
若实数x,y满足x²+4y²=4x,求S=x²+y²的取值范围
若x² +xy+y² =14,x² -xy+y²=28求x+y的值
若x²+xy+y²=14,x²-xy+y²=28,求x+y的值
①y²-16;②x³y-xy³;③x²+14x+49;④18a^4x²+24a²x²y+8x²y²
计算x²-x/x²×x/1-x和x²-4y²/x²+2xy+y²÷x+2y/x²+xy
因式分解(有理数范围内) 1.x²y²-x²-y²-6xy+4 2.4x²-6ax-18a² 3.20a&s因式分解(有理数范围内)1.x⁴-12.x²+4x-xy-2y+43.4x²-12x+54.21x²-31x-225.4x²+4xy+y²-4x-2y-36.9x^5-35x
求助:几道因式分解题⑴(x+y)^4+(x²-y²)²+(x-y)^4⑵(x^4-4x²+1)(x^4+3x²+1)+10x^4⑶16(6x-1)(2x-1)(3x+1)(x-1)+25⑷a³b-ab³+a²+b²+1⑸(x²-y²)²-8(x²+y&s
判断圆X²+Y²-6X+4Y+12=0与圆X²+Y²-14X-2Y+14=0是否相切
因式分解2x(x-y)^4 - x²(x-y)² + xy(y-x)²RT
x²-7xy+12y²=0{x²+4xy+4y²=14