|3x + 2| < 5
|5 - 2x| ≥ 1

1)(x-3)(3x+2)=(5x-4)(3x-2)

x*3x+2x-3*3x-6=5x*3x-5x*2-4*3x+8

3x^2+2x-9x-6=15x^2-10x-12x+8

3x^2-15x^2-7x-6=-22x+8

-12x^2+15x+14=0

12x^2-15x-14=0

2)(2x+7)(7-2x)=49+x·(x+2)

7*2x-2x*2x+7*7-7*2x=49+x^2+2*x

14x-4x^2+49-14x=49+x^2+2x

-4x^2+49-49=x^2+2x

x^2+2x=-4x^2

x^2+4x^2+2x=0

5x^2+2x=0, где с=0

3)3x-2\2x+1=2x+3\2x-1

(2x-1)(3x-2)-(2x+1)(2x+3)=0

2x*3x-2x*2-1*3x+2-2x*2x-3*2x+2x+3=0

6x^2-4x-3x+2-4x^2-6x+2x+3=0

6x^2-4x^2-7x-6x+2x+2+3=0

2x^2-11x+5=0

4)x-1\x+3+5x-4\4x+1=1

(4x+1)(x-1)+(x+3)(5x-4)=(x+3)(4x+1)

4x*x-4x+x-1+5x*x-4x+3*5x-3*4=x*4x+x+3*4x+3

4x^2-3x-1+5x^2-4x+15x-12=4x^2+x+12x+3

x^2: 4x^2+5x^2-4x^2

x:-3x-4x+15x-12x-x

x^0:-1-12-3

5x^2-5x-16=0