分解因式4x(y-x)-y的平方
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/21 07:58:23
x²-4y²+x-2y=(x²-4y²)+(x-2y)=(x-2y)(x+2y)+(x-2y)=(x-2y)(x+2y+1)很高兴为您解答,祝你学习进步!【学习
4(x+2y)²-9(x-y)²=[2(x+2y)]²-[3(x-y)]²=[2(x+2y)+3(x-y)][2(x+2y)-3(x-y)]=(5x+y)(-x
9(x-y)^2+12(x^2-y^2)+4(x+y)^2=[3(x-y)]^2+2*3(x-y)*2(x+y)+[2(x+y)]^2=[3(x-y)+2(x+y)]^2=(5x-y)^2
3x的4次方+x的平方y-2y的平方=(x²+y)(3x²-2y)很高兴为您解答,【the1900】团队为您答题.请点击下面的【选为满意回答】按钮,再问:有过程吗,如果是一步的话有
x^2-x-4y^2+2y=(x^2-4y^2)-(x-2y)=(x+2y)(x-2y)-(x-2y)=(x-2y)(x+2y-1)
把x+y当做一个因子,7当做一个因子(x+y)^2-14(x+y)+49=(x+y)^2-2*7*(x+y)+7^2=(x+y-7)^2
分解因式:-12x^4y+8x²y²-4x²y³=-4x^2y*(3x^2-2y+y^2)
题目有问题吧,我感觉应该是(x²+y²-z²)²-4x²y²(x²+y²-z²)²-4x²
9(x+2y)的平方-4(2x+y)的平方=[3(x+2y)]²-[2(2x+y)]²=(3x+6y+4x+2y)(3x+6y-4x-2y)=(7x+8y)(-x+4y)=-(7x
原式=(x+y)(x+2y)+2(x+2y)=(x+2y)(x+y+2)希望我的回答能帮助到您,
=[(x+y)-2y]²=(x-y)²
x²-4y²=x²-(2y)²=(x+2y)(x-2y)这里用到了平方差公式.很高兴为您解答,祝你学习进步!如果我的回答对你有帮助,请及时选为满意答案,谢谢~~
x^4-y^4+4x^2+4(分组分解法)=(x^4+4x^2+4)-y^4=(x^2+2)^2-y^4(公式法)=(x^2+2+y^2+2)(x^2-y^2+2)(公式法)4x^2-12xy-c^2
(x+y)^4+(x+y)^2-20=[﹙x+y﹚²+5﹚][﹙x+y﹚²-4]=﹙x²+2xy+y²+5﹚﹙x+y-2﹚﹙x+y+2﹚
[(x-y)x]6+[(y-x)y]6=(x-y)6x6+(y-x)6y6=(x-y)6(x6+y6)=(x-y)6[(x2)3+(y2)3]=(x-y)6(x2+y2)(x4-x2y2+y4)欢迎来
=4(x-y)²-4(x-y)+1=[2(x-y)-1]²=(2x-2y-1)²再问:4(x-y)²-4(x-y)+1到[2(x-y)-1]²是什么?
4(x-y)^3-8x(y-x)^2=4(y-x)^2(x-y-2x)=4(y-x)^2(-x-y)=-4(y-x)^2(x+y)秋风燕燕为您解答有什么不明白可以继续问,随时在线等.
用提取公因式法,提取(x+3y)原式=(x+3y)[(3x-4y)-(x-2y)]=(x+3y)(2x-2y)=2(x+3y)(x-y)
6x³y(x-y)³-4xy³(y-x)²=6x³y(x-y)³-4xy³(x-y)²=2xy(x-y)²[3