DIvide x3+x2-14x-24 by x+2Solution x2-x-12/)x-2)x3+x2-14x-24x3+2x/-2x2-14x-x2-2x/-12x-24-12x-24/0In this example we see that x+2 is a factor of x3+x2-14x-24,as the remainder is zero.Thus x3+x2-14x-24÷(x+2)=x2-x-12 with zero remainderso x3+x2-14x
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DIvide x3+x2-14x-24 by x+2Solution x2-x-12/)x-2)x3+x2-14x-24x3+2x/-2x2-14x-x2-2x/-12x-24-12x-24/0In this example we see that x+2 is a factor of x3+x2-14x-24,as the remainder is zero.Thus x3+x2-14x-24÷(x+2)=x2-x-12 with zero remainderso x3+x2-14x
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x3+9x2+26x+24x3+9x2+26x+24怎么写啊?
因式分解(1+x+x2+x3)2-x3
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shuxue (16 21:24:57)已知f(x)=x+x3,x1.x2.x3∈R且x1+x2,x2+x3,x1+x3均为正数,试判断f(x)+f(x2)+f(x3)的符号
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x4+7x3+14x2+7x+1
x3-9x2+26x-24怎么解,具体点.
解方程 x3-24x2+144x=121
练习一1.分解因式:(2)x10+x5-2;(4)(x5+x4+x3+x2+x+1)2-x5.2.分解因式:(1)x3+3x2-4;(2)x4-11x2y2+y2;(3)x3+9x2+26x+24;(4)x4-12x+323.3.分解因式:(1)(2x2-3x+1)2-22x2+33x-1;(2)x4+7x3+14x2+7x+1;(3)(x+y)3+2xy(1-x-y)-1;(
(3X3+5X2+X)/(7X3+5X-4)
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