2X^3+(2a+23)X^2+(10-7a)X+3a-11分解因式有类似提问,2x^3+(2a+23)x^2+(10-7a)x+3a-11=2x^3-x^2+x^2+(2a+23)x^2+(10-7a)x+3a-11=x^2*(2x-1)+(2a+24)x^2-(a+12)x+(a+12)x+(10-7a)x+3a-11=x^2*(2x-1)+(a+12)x(2x-1)+(22-6a)x-(11-3a)=x^2*(2x-1)+(a+12)x(2x-1)+(1
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2X^3+(2a+23)X^2+(10-7a)X+3a-11分解因式有类似提问,2x^3+(2a+23)x^2+(10-7a)x+3a-11=2x^3-x^2+x^2+(2a+23)x^2+(10-7a)x+3a-11=x^2*(2x-1)+(2a+24)x^2-(a+12)x+(a+12)x+(10-7a)x+3a-11=x^2*(2x-1)+(a+12)x(2x-1)+(22-6a)x-(11-3a)=x^2*(2x-1)+(a+12)x(2x-1)+(1
a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3
x^2+x+a
(x-a)(x-2)
已知集合A={x|x^2-3x-10
已知集合A={x|x^2-3x-10
已知集合A={x|x^2-3x-10
已知集合A=｛x|x^2-3x-10
集合A{x/x^2-3x-10
不会的分式题 约分：9x^2 -6x+1/3x^2 -x 4x^2 -2x/4x^2 -1 x^2 -10x+25/3x^2 -75 2a^2 -8/a^2 +4a+4 -3(a约分：9x^2 -6x+1/3x^2 -x4x^2 -2x/4x^2 -1x^2 -10x+25/3x^2 -752a^2 -8/a^2 +4a+4-3(a-b)/12(b-a)^23x^2 -12/x^2 -4x+4x^2 -3x/-x^2 +6x-92a^2 -8ab+
( A/X-5 ) + ( B/X+2 ) = 5X-4/X^2-3X-10 ^-^
3x/6x^2z a+b/a^2-b^2 x^2+2x+1/x^2+x 3x-6/x^2-4x+43x/6x^2z a+b/a^2-b^2x^2+2x+1/x^2+x3x-6/x^2-4x+4y-x/x^2-y^22x^2-10x/x^2-10x+25约分：3x/6x^2z a+b/a^2-b^2x^2+2x+1/x^2+x3x-6/x^2-4x+4y-x/x^2-y^22x^2-10x/x^2-10x+25
约分 (a-x)^2/(x-a)^3
(x-a)(x-a^2)
如果x^2-3x-10=(x+a)(x+b),那么a+b=___
如果x^2-3x-10=(x+a)(x+b),那么a+b=
如果x^2-3x-10=(x+a)(x+b),那么a+b=多少
(x-6)(x-3)(x+2)(x+4)-84x^2(x+a)(x+2a)(x+3a)(x+4a)+a^4