x^4-2^3-6x^2+6x+9怎样因式分解?
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x^4-2^3-6x^2+6x+9怎样因式分解?
x^4-2^3-6x^2+6x+9怎样因式分解?
x^4-2^3-6x^2+6x+9怎样因式分解?
x^4-2x^3-6x^2+6x+9
= (x^4-6x^2+9)-(2x^3+6x)
= (x^2-3)^2-2x(x^2-3)
= (x^2-3)(x^2-2x-3)
= (x+√3)(x-√3)(x-3)(x+1)
x^4-2^3-6x^2+6x+9怎样因式分解?
x^4-2x^3-6x^2-6x+9 怎样分解因式
分式因解 X^4-2X^2+1
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x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x)
x的平方-6x+9-2x-6x+1因试分解谢谢
分解因试(x-2)(x-4)(x-6)(x-8)+16.
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(1)y=(3+2x)·(6-x)因3+2x=12-2x时,x=4/9∈[2,5],故可直接应用平均值不等式.因3+25=12-x是什么意思
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x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
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x/(x-2)+(x+9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)怎样解这道方程
分解因式:x^3-6x^2+9x-4
分式因解 X平方+根号3 x-根号2 x-根号6