Lg(x^2-2x-2)>0. Lg x 2 2x 7 lg x-1 0. Lg(2x+7)/lg(x-2)=2. Y=lg(x^2 -2x-15). X2-3x+lg(x+1)=lg(x+1)+10. | Lg x2 2x 7 lg x 1. Lg x2 2x 7 lg x 1. Y=lg x(x-1)(x+2). Lg2x<2lg7+1. Lg x2 2x 7 lg x 1. |
Lg x = lg 2. Lg 2x lgx 1 7/lg10x. Lg x2 2x 7 lg x 1. Lg(x^2-17)-lg(2x-2)=0. Lg 7x -lg 5x+1 0. | Lg x2 2x 7 lg x 1. Lg lg lg x = 1. 2 lg (x2-1) <= (x+1)lg2. Lg(x2 - 17) - lg(2x-2). Lg x 2 2x 2 1. |
Lg(x+2)+lg(x-2)=(5x+10). Lg x2 2x 7 lg x 1. Lg(x^2-2)=-lg1/x. Lg(x-1)+lg(x+1)=lg2. Lg x2 2x 7 lg x 1. | Lg(x2-x-2)<1. Lg x2 2x 7 lg x 1. Lg(2-x)<=lg(x-3). Lg x 2 2x 7 lg x-1 0. Lg x 2 2x 7 lg x-1 0. |
X2-3x+lg(x+1)=lg(x+1)+10. Lg(x-1)+lg(x-2,5)=1. Lg(x+7)-lg(x-5)=1. Lg x2 2x 7 lg x 1. Lg x-log2 5x-1 lg x. | Lg(x^2-2)=-lg1/x. Lg(x^2-19)-lg(x+1)=1. Lg x2 2x 7 lg x 1. Lg2x<lg(x+1). Lg(x+5)=lg(5x-1). |
27 lg x-1 x 2-1 lg3. Lg(x^2 +2x -7) -lg(x-7)=0. Y=lg(x2+x-2. Lg x2 2x 7 lg x 1. Lg x2 2x 7 lg x 1. | Lg x 2 2x 7 lg x-1 0. Lg x2 2x 7 lg x 1. Lg2x + lg x - 1 / lgx + 7 lg 2 - 7 lg x + 2. Lg x2 2 lg x. Lg x2 2x 7 lg x 1. |
Lg(x-3^1/2)+lg(x-3^1/2)=0. Lg x2 2x 7 lg x 1. Lg 2x 3 lg x+1. Lg(x-2)+lg(x+1)=0. Lg x2 2x 7 lg x 1. | Lg x2 2x 7 lg x 1. Lg ( x2−3 x )=lg (2 x−6 ). Lg x2 2x 7 lg x 1. Lg x2 2x 7 lg x 1. X2-3x+lg(x+1)=lg(x+1)+10. |
Lg x2 2 lg x. Lg(2x-1)=lg(x+1). Lg x2 2x 7 lg x 1. Lg( x4 + 2 x2 - 4) = lg (x4 + 6x – 8). | Lg x2 2x 7 lg x 1 |
Lg x2 2x 7 lg x 1 | Lg x2 2x 7 lg x 1 |
Lg x2 2x 7 lg x 1 | Lg x2 2x 7 lg x 1 |
Lg x2 2x 7 lg x 1 | Lg x2 2x 7 lg x 1 |