X3+3X+2X3-3X2-3X3+3X2+3X=12
1个回答
6X=12
X=2
相关问题
1.(2X-1)²=(3-X)² 2.3X²-12X=-12 3.3x(x-1)=2(x-
2(x-3)^=x^-9 (x+1)(x-3)=12 (3x+2)^=4(x-3)^
(x^2- 3x+3)^2 - 3(x^2- 3x+3)+3=x
一:9(x+3)^2(3X-2)+(2-3X) =9(X+3)^2(3X-2)-(3x-2) =(3X-2)[9(X+3
(2x-3)(2x+3) (3x-1)^2 (-2X)(3X^2-2X+1) (2X-3)(3X+2) (X-2)(X+
解方程(1)3x+7=32-2x;(2)7x+2(3x-3)=20;(3)[x+2/3−x+12=2
1/2[X-1/2(X-1)]=2/3(X-1) 4/3[3/2(X/2-1)-3]-2X=3 7X-12(5/3X-1
(x1-x2+4x3-2x4=0;x1-x2-x3+2x4=0;3x1+x2+7x3-2x4=0;x1-3x2-12x3
2X^2+3X=27 X=?5x^3-3x^2-32x-12 因式分解
12-2x=3x+2/3x+3=2x+5/7x+4=8x