3x -9 -0.3x 9.6 2x+18 0 x+5 =2x-3 2(x+3) =2x 3(x+2)-2(5-x) 1 6x-3(0.2x+3) 2x (x-2)(x+1) 0 (x+5)(x+7) =0 x^2-9 0

Question

Алгебра: 3x -9 -0.3x 9.6 2x+18 0 x+5 =2x-3 2(x+3) =2x 3(x+2)-2(5-x) 1 6x-3(0.2x+3) 2x (x-2)(x+1) 0 (x+5)(x+7) =0 x^2-9 0

LoliPops33 · Answer

Надеюсь вы поймёте мои каракули))...

3x> -9 -0.3x< 9.6 2x+18> 0 x+5< =2x-3 2(x+3)> =2x 3(x+2)-2(5-x)< 1 6x-3(0.2x+3)> 2x (x-2)(x+1)> 0 (x+5)(x+7)< =0 x^2-9> 0