2x的4次方减3y的4次方因式分解-搜答案-大师作文网

6xy³-9x²y²-y^4=-y²(-6xy+9x²+y²)=-y²[(3x)²+2×3x×(-y)+(-y)&sup

原式=-y(4x²-4xy+y²)=-y(2x-y)²

=(x+2y)(x-2y)(x-2y)

X的4次方减18X的2次方加81=(x²-9)²=(x+3)²(x-3)²

2x^3-7x^2-4x

x^6-y^6-2x³+1=x^6-2x³+1-y^6=(x^6-2x³+1)-y^6=(x³-1)²-(y³)²=(x³

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^4+(x+y)^4+y^4=x^4+y^4+2x^2y^2-x^2y^2+(x^2+2xy+y^2)^2-x^2y^2=(x^2+y^2)^2-x^2y^2+(x^2+2xy+y^2+xy)(x^

x^3-y^3=(x-y)(x^2+y^2+xy)

解原式=(x^2+y^2)-(xy)^2=(x^2+xy+y^2)(x^2-xy+y^2)

原式=(4x^2)^2-72x^2y^2+(9y^2)^2=(4x^2-9y^2)^2=(2x+3y)^2*(2x-3y)^2

X的4次方-3x平方+2=(x²-1）(x²-2）=（x-1)(x+1)(x-√2）(x+√2)

a³(x+y)²-4a³c²=a³[(x+y)²-4c²]=a³[(x+y)²-(2c)²]=a&s

:①a的3次方-2a的2次方-4a+8,=a²(a-2)-4(a-2)=(a-2)(a²-4)=(a-2)²(a+2)②x的2次方+y的2次方+z的2次方-2xy-2yz

1.化简：原式=4（x+1)^2-7(x^2-1)+3(x-1)^2=4（x+1)^2-7(x^2-1)+3(x^2-1)=4（x+1)^2-4(x^2-1)=4x^2+8x+4-4x^2+4=8x+

18x的3次方-27x的4次方-3x的2次方=-3x^2(9x^2-6x+1)=-3x^2(3x-1)^2

y^3-4x^2y=y(y^2-4x^2)=y(y+2x)(y-2x)

x的4次方-x的3次方-7x的2次方+x+6=（x-1)(x^3-7x-6)=(x-1)(x+1)(x^2-x-6)=(x-1)(x+1)(x+2)(x-3)

原式=(x+3y)²-2(x+3y)(4x-3y)+(4x-3y)²=[(x+3y)-(4x-3y)]²=(-3x+6y)²=9(x-2y)²

x⁴+x³+4x²+3x+3=x⁴+x³+x²+3x²+3x+3=x²(x²+x+1)+3(x²