因式分解-2X的三次方 4X的平方-8X
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/14 17:00:55
X³+Y³=(X+Y)(X²-XY+Y²)
x³-x²-4x+4=(x³-x²)-(4x-4)=x²(x-1)-4(x-1)=(x²-4)(x-1)=(x+2)(x-2)(x-1)很高
原式=(x^4+xy³)-(2y^4+2x³y)=x(x³+y³)-2y(x³+y³)=(x-2y)(x³+y³)=(x
4x(1-x)的三次方+2(x-1)²=-4x(x-1)的三次方+2(x-1)²=(x-1)²[-4x(x-1)+2]=(x-1)²[-4x²+4x+
1、原式=x³-x+2x-2=x(x+1)(x-1)+2(x-1)=(x-1)(x²+x+2)2、原式=x³-2x²+2x²-2x-4=x²
x^3-2x+4=x^3+8-2x-4=(x+2)(x^2-2x+4)-2(x+2)=(x+2)(x^2-2x+2)采纳哦
4x³-xy²=x(4x²-y²)=x(2x-y)(2x+y)
=(y-x)^3-(y-x)=(y-x)[(y-x)^2-1]=(y-x)(y-x+1)(y-x-1)
1x³-2x²-7x-4=x³+2x²+x-4x²-8x-4=x(x²+2x+1)-4(x²+2x+1)=(x-4)(x²
=xy(4x²+4xy+y²)=xy(2x+y)²
x的三次方+8y三次方=(x+2y)(x平方-2xy+4y平方)
原式=(8x³+4x²)-(2x+1)=4x²(2x+1)-(2x+1)=(2x+1)(4x²-1)=(2x+1)²(2x-1)
x³y-xy³=xy(x²-y²)=xy(x+y)(x-y)
x/4+x^3-x^2=(x/4)(1+4x^2-4x)=(x/4)(2x-1)^2
x平方乘以(x-2-根号2)(x-2+根号2)((y-x)(y+x))分之一小用料:(ab+ac+bc)*2,大用料:(3ab+3ac+4bc)*2大比小多:(2ab+2ac+3bc)*2
2x³+5x²-4x-3=2x³-2x²+(7x²-4x-3)=2x²(x-1)+(7x+3)(x-1)=(x-1)(2x²+7x
4y(y-x)的2次方-6y(x-y)三次方=4y(x-y)²-6y(x-y)³=2y(x-y)²(2-3x+3y)【提取公因式2y(x-y)²】
4x的三次方+4x²+x=X(4X平方+4X+1)=X(2X+1)平方
2x减x的三次方=2x-x³=x(2-x²)=x(√2+x)(√2-x)
您好:x的三次方(y-x)的三次方-(x-y)的三次方=x的三次方(y-x)的三次方+(y-x)的三次方=(x³+1)(y-x)³=(x+1)(x²-x+1)(y-x)&