在线求解答
5x2+4xy-28y2-35m2n2+11mn+66+11a-35a26-11a-35a2-1+y+20y220x2+()+14y2=(4x-7y)(5x-2y)x2-...
5x2+4xy-28y2 -35m2n2+11mn+6 6+11a-35a2 6- 11a-35a2 -1+y+20y2 20x2+( )+14y2=(4x-7y)(5x-2y)
x2-3xy-( )=(x-7y)(x+4y) x2+( )-28y2=(x+7y)(x-4y) x2+( )-21y2=(x-7y)(x+3y)
kx2+5x-6=(3x-2)( ),k=______ 6x2+5x-k=(3x-2)( ),k=______
6x2+kx-6=(3x-2)( ),k=______ 18x2-19x+5=(9x+m)(2x+n),则m=_____,n=_____
18x2+19x+m=(9x+5)(2x+n),则m=_____,n=_____20x2-43xy+14y2=(4x+m)(5x+n),则m=_____,n=_____ 20x2-43xy+m=(4x-7y)(5x+n),则m=_____,n=_____
x4-4x3+4x2-1=_______
2x2-3x-6xy+9y=________
21a2x-9ax2+6xy2-14ay2=________
a3+a2b+a2c+abc=________
2(a2-3ac)+a(4b-3c)=_________.27x3+54x2y+36xy2+8y3_______ 展开
x2-3xy-( )=(x-7y)(x+4y) x2+( )-28y2=(x+7y)(x-4y) x2+( )-21y2=(x-7y)(x+3y)
kx2+5x-6=(3x-2)( ),k=______ 6x2+5x-k=(3x-2)( ),k=______
6x2+kx-6=(3x-2)( ),k=______ 18x2-19x+5=(9x+m)(2x+n),则m=_____,n=_____
18x2+19x+m=(9x+5)(2x+n),则m=_____,n=_____20x2-43xy+14y2=(4x+m)(5x+n),则m=_____,n=_____ 20x2-43xy+m=(4x-7y)(5x+n),则m=_____,n=_____
x4-4x3+4x2-1=_______
2x2-3x-6xy+9y=________
21a2x-9ax2+6xy2-14ay2=________
a3+a2b+a2c+abc=________
2(a2-3ac)+a(4b-3c)=_________.27x3+54x2y+36xy2+8y3_______ 展开
东澳
2024-06-07 广告
2024-06-07 广告
七天阅卷系统是我们广州东澳智能科技有限公司引以为豪的一项产品。它充分利用人工智能技术,实现智能识别和评阅试卷中的文字与图像内容,大幅提升评阅速度及准确度,极大地减轻了老师们的阅卷负担。此外,该系统还支持多种平台阅卷,无论是电脑、平板还是手机...
点击进入详情页
本回答由东澳提供
展开全部
6x2-13x 6=0
(3x-2)*(2x-3)=0
x=2/3或3/2
不懂追问
(3x-2)*(2x-3)=0
x=2/3或3/2
不懂追问
追问
看补充 全答了 分全给你
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
5x2+4xy-28y2
=(5x+14y)(x-2y)
-35m2n2+11mn+6
=(-5mn+3)(7mn+2)
6+11a-35a2
=(3-5a)(2+7a)
6- 11a-35a2
=(3-5a)(2+7a)
-1+y+20y2
=(5y-1)(4y+1)
20x2+( -43xy )+14y2=(4x-7y)(5x-2y)
x2-3xy-( 28y² )=(x-7y)(x+4y)
x2+( 3xy )-28y2=(x+7y)(x-4y)
x2+( -4xy )-21y2=(x-7y)(x+3y)
kx2+5x-6=(3x-2)(2x+3 ),k=__6____
6x2+5x-k=(3x-2)(2x+3 ),k=__-6____
6x2+kx-6=(3x-2)( 2x+3 ),k=___5___
18x2-19x+5=(9x+m)(2x+n),则m=__-5___,n=___-1__
18x2+19x+m=(9x+5)(2x+n),则m=___5__,n=__1___
20x2-43xy+14y2=(4x+m)(5x+n),则m=_-7y____,n=__-2y___
20x2-43xy+m=(4x-7y)(5x+n),则m=_14y²____,n=__-2y___
x4-4x3+4x2-1
=(x-1)(x³+x²+x-3)
2x2-3x-6xy+9y
=x(2x-3)-3y(2x-3)
=(x-3y)(2x-3)
21a2x-9ax2+6xy2-14ay2
=3ax(7a-3x)-2y²(7a-3x)
=(7a-3x)(3ax-2y)
a3+a2b+a2c+abc
=a²(a+b)+ac(a+b)
=(a²+ac)(a+b)
=a(a+c)(a+b)
2(a2-3ac)+a(4b-3c)
=2a²-6ac+4ab-3ac
=2a²+4ab-9ac
=a(2a+4b-9c)
27x3+54x2y+36xy2+8y3
=27x³+8y³+54x²y+36xy²
=(3x+2y)(9x²-6xy+4y²)+18xy(3x+2y)
=(3x+2y)(9x²+12xy+4y²)
=(3x+2y)(3x+2y)²
=(3x+2y)³
=(5x+14y)(x-2y)
-35m2n2+11mn+6
=(-5mn+3)(7mn+2)
6+11a-35a2
=(3-5a)(2+7a)
6- 11a-35a2
=(3-5a)(2+7a)
-1+y+20y2
=(5y-1)(4y+1)
20x2+( -43xy )+14y2=(4x-7y)(5x-2y)
x2-3xy-( 28y² )=(x-7y)(x+4y)
x2+( 3xy )-28y2=(x+7y)(x-4y)
x2+( -4xy )-21y2=(x-7y)(x+3y)
kx2+5x-6=(3x-2)(2x+3 ),k=__6____
6x2+5x-k=(3x-2)(2x+3 ),k=__-6____
6x2+kx-6=(3x-2)( 2x+3 ),k=___5___
18x2-19x+5=(9x+m)(2x+n),则m=__-5___,n=___-1__
18x2+19x+m=(9x+5)(2x+n),则m=___5__,n=__1___
20x2-43xy+14y2=(4x+m)(5x+n),则m=_-7y____,n=__-2y___
20x2-43xy+m=(4x-7y)(5x+n),则m=_14y²____,n=__-2y___
x4-4x3+4x2-1
=(x-1)(x³+x²+x-3)
2x2-3x-6xy+9y
=x(2x-3)-3y(2x-3)
=(x-3y)(2x-3)
21a2x-9ax2+6xy2-14ay2
=3ax(7a-3x)-2y²(7a-3x)
=(7a-3x)(3ax-2y)
a3+a2b+a2c+abc
=a²(a+b)+ac(a+b)
=(a²+ac)(a+b)
=a(a+c)(a+b)
2(a2-3ac)+a(4b-3c)
=2a²-6ac+4ab-3ac
=2a²+4ab-9ac
=a(2a+4b-9c)
27x3+54x2y+36xy2+8y3
=27x³+8y³+54x²y+36xy²
=(3x+2y)(9x²-6xy+4y²)+18xy(3x+2y)
=(3x+2y)(9x²+12xy+4y²)
=(3x+2y)(3x+2y)²
=(3x+2y)³
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询