(-2х+1)(-2х-7)=0
-(2x-1)(-2x-7)=0
(2x-1)(2x+7)=0
x=1/2
x=-3.5
-3x-1 >= -6x
-3x + 6x >= 1
3x >= 1
x >= 1/3
4 - 3*2¹⁾₂ 2⁴⁾₂ -3*2¹⁾₂ 2¹⁾₂(2³⁾₂-3) 2³⁾₂ - 3 2³⁾₂ -3
-------------- = ------------------- = --------------- = ----------------- = ------------ =
(2¹⁾₄ - 8¹⁾₄)² (2¹⁾₄ - 2³⁾₄)² 2¹⁾₂(1-2¹⁾₂)² 1²-2*2¹⁾₂+2 3-2³⁾₂
2³⁾₂ - 3
= -------------- = -1
-(2²⁾₃ - 3)
1- 2*5¹⁾₄ +5¹⁾₂ (1- 5¹⁾₄)² (1- 5¹⁾₄)² (1- 5¹⁾₄ )² 1
------------------ = ------------------------ = --------------------------- = ------------------ = ---
(5¹⁾₂ - 5³⁾₄)² 5- 2*5¹⁾₂ * 5³⁾₄ + 5³⁾₂ 5*(1- 2* 5¹⁾₄ + 5¹⁾₂) 5 *(1- 5¹⁾₄ )² 5