(2x÷0.5)x2-2x=24

(2x÷0.5)x2-2x=24 x2-2x-24 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 4x-(6-2x)x2=24,求x 3/x2 -3x+2-1/x-2=1/x2 -x+4/x2 -2x 解方程:(x2-3x+2)(x2+3x-2)=x2(x+3)(x-3) (x2-3x+2) (x2+3x-2)=x2(x+3)(x-3)解方程 化简x-1分之x+1-x2-1分之x2-2x÷x2-x-2/x2+2x+1 ①x/(x2-1) ·(x2+x)/x2其中x=2 ②(x2-1)/(x2+4x+4)÷(x+1).(x+2﹚/﹙1-x﹚其中x=-3 x2+y2+x+y=18 x2+y2-2x-4x=24 解方程组 (x2-3x)2-x(x2-3x)-2x2 先化简,再求值 x+3/x2-1 ÷(x+3)(x-1)/x2-2x+1,其中x=2007, [x2+2x]2-11[x2+2x]+24 因式分解 (3x2-x)2-3(3x2-x)=2 因式分解(x2+x+1)(x2+x+2)-12= 解方程(x2+x)(x2+x-2)=-1 2( x2 +1/x2) - 9( x + 1/x) + 14 = 解方程：X2--1/8(X2+2X)+X2+2X/3(X2--1)=11