6*√(16X^2-36)=√(36-X^2)*4X

已知√x²+8x+16+√x²-12x+36=10,化简√（2x+8）²+2｜x-6｜ 6*√(16X^2-36)=√(36-X^2)*4X √x^2+8x+16+√x^2-12x+36=10,求x的值 已知x=13/(4+根号3),求(x^4-6x^3-2x^2+18x+23)/(x^2-8x+15) 的值 禁止复制粘贴：x=13/(4+√3)=4-√3√3=4-x3=x²-8x+16x^2-8x+13=0,所以x^2-8x+15=2；x^4-6x^3-2x^2+18x+23=x^2(x^2-8x+13)+2x^3-15x^2+18x+23=2x(x^2-8x+13)+x^2-8x+23=x^2-8x+2 [(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) xy²/(x²y-y) × x²/(x²+x)=(x²-3x)/(x²-5x) × 2x-10/(x²-6x+9)=化简求植x²-1/(x²-x-2)除以x/2x-4,其中x=1/2[x-x/(x+1)]除以[x/(2x-4)] ,其中x=√2+1 化简：[√(x^2-6x+9)/x^2-x-12]*(x^3-16x)/(x^2-3x)-1/(x+3) {x＞3} 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^4-x^3-14x^2+6x+36=0 最后答案是（x-2)(x+3)(x-1-√7）（x-1+√7）=0求中间过程. x²+4x-2=0,x²-4x+1=0,(x+√5)(x-√5)=20,x²+6x+5=8x+7,25(2x-1)²-16=0, 先化简再求值x^2+x-6/x^4-13x^2+36 (其中x=-3) 解方程：8x -4.5÷0.2=16 3(x+30)=6x+30 3-(5-2x)=x+273x-(67-84x）-14=76 15-（7-5X）=2X（11-3X) X+(X+10)+(x+8)=36×3 11×（4-x)+15×（4-X）=30 3*16^x+36^x=2*81^x 72/x-36/x^2-11=(6-x)^2 若x=√2,求代数式[(x^2-2x+4)/(√x^2-4x+4)]/[(x^3+8)/(x^2-4)]*[|6-x|/(x^2-5x-6)-[1/(x^2-x+1)]^-1的值 (6+x)×(2+x)=9+36 6.2x-x=41.6 ,2x +1.5x=17.5,x-.36x=16解, (X/10)(X/10)=(6-X*X)/36