6X+36-4x=44

6X+36-4x=44 [(x+6)/(x-6)][(x-4)/(x+4)]^2+[(x-6)/(x+6)][(x+9)/(x-9)]^2=2(x^2+36)/(x^2-36) 解方程 式子 6-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+1 2x-1=5x-36-2x+3x=3x-4x+3x+18 6-x+3x=2x-5x+12x-1=5x-3 x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 先化简再求值x^2+x-6/x^4-13x^2+36 (其中x=-3) 2x+3x+4x+5x+x+6x+7x=100 (x/x-2)+(2/x*2+2x)-(x+6/x*2-4)化简,=x^2/x(x-2)+(2x-4)/x(x^2-4)-(x^2+6x)/x(x^2-4)=x^2/x(x-2)-(x+2)/x(x-2)=(x-2)(x+1)/x(x-2)=(x+1)/x 36+x=4x(6+x)怎样计算? x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? x-4/x-5 - x-5/x-6=x-7/x-8 - x-8/x-9求x=? x^-6x+5=x+4 36+4x=6x-34 1.用公式计算：COSX=1-X*X/2!X*X*X*X/4!-X*X*X*X*X*X/6!.直到最后一项的绝对 已知6X^2+X=12 求36X^4+12X^3-17X^2-12X+1 *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || (X/10)(X/10)=(6-X*X)/36 9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x 19.5-2x=27-5x 21+4x-x=369-3x-4x=427+5x-7x=37x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x19.5-2x=27-5x 21+4x-x=36 9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x 19.5-2x=27-5x 21+4x-x=369-3x-4x=427+5x-7x=37x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 14.6+3x=18.8+x19.5-2x=27-5x 21+4x-x=36