(2x-1)(4x²+2x+1)=26 求x

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(2x-1)(4x²+2x+1)=26 求x
(2x-1)(4x²+2x+1)=26 求x

(2x-1)(4x²+2x+1)=26 求x
x=3/2

计算x²-x/x²×x/1-x和x²-4y²/x²+2xy+y²÷x+2y/x²+xy (x²-4分之x²+x+1)²÷(x三次方-3x²+2x÷x三次方)²×(x÷x+2)² , xy²/(x²y-y) × x²/(x²+x)=(x²-3x)/(x²-5x) × 2x-10/(x²-6x+9)=化简求植x²-1/(x²-x-2)除以x/2x-4,其中x=1/2[x-x/(x+1)]除以[x/(2x-4)] ,其中x=√2+1 x²+2x+2 / x+1=x²+4x+6 / x+2 -1 3x/(x²-2x),(2x+1)/(4-x²),3/(2x²+4x)通分~ 1.(8xy-x²+y²)-(x²-y²+8xy)2.(2x²-1/2+3x)-4(x-x²+1/2)3.3x²-[7x-(4x-3)-2x²] ①.X²-2X+1/X²-1 ÷ X²-X/X+1②.a-1/a²-4a+4 ÷ a²-1/a²-4③.x³-x²/x²-x ÷ x²-2x/x-1④.(x-y)²/x+y ÷ 1/y+x X 1/x-y帮下忙嘛 咯 因式分解:(x²+4x+8)²+3x(x²+4x+8)+2x² x²(x-1)²+32(x-x²)+60 解方程⑴2(x²+1/x²)-3(x+1/x)=1;⑵x²+3/x-4x/x²+3=3 (x² +x+1)/(x² +1)+(2x² +x+2)/(x² +x+1) =19/6化成(x² +x+1)/(x² +1)+(x² +1)/(x² +x+1)=13/6急嗷 一道数学题快回答急(x³)²÷x²×x+x÷(-x)²(-x²) 小的×就是乘 3b-2a²-(-4a+a²+3b)+a² (-a)²×(a²)²÷a³ (-x)³×x²n-1+x²n×(x)²(注意那个x²后 已知关于x的多项式(2mx²-x²+3x+1)-(5x²-4y²+3x)不含x²项 1.(3x²+10x²+13x-27)/(x²+2x-3)2.(2x²+x³-2)/(x²-1)3.已知A=(3x)²-21x³-2x²+11x-2 B=3x³-5x²-4x+1求a²/b² 在线求助完全平方公式因式分解(1)-a²-1+2a(2)2x²y-x²-xy²(3)4x²-20x+25(4)(x²+1)²-4x²(5)(2x-y)²-2(2x-y)+1(6)(x+y)²-2(x²-y²)+(x-y)² 在实数范围内分解因式 x²+x-1 x²-2x-6 2x²+8x-7 x²-5xy+3y² -2x²-3x+6 4x& 试说明不论X取何值代数式(x²+5x²+4x-1)-(-x²-3x+2x²-3)+(8-7x-6x²+x²)的 1.(x-2/x+2+6x/x²-4)×(x²-4)2.(1+x²-1/x²-2x+1)÷1/x-13.x²/x²-y²÷1/x+y+y²/y-x4.(1/x+1-1/1-x²)÷3x/x+1 化简~(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)注意了!是三个分式!(x²+3x+9)/(x²-27)+(6x)/(9x-x²)-(x-1)/(6+2x)