2x 7 )( 3 x )= 0
- 2x 7 3 при x 0 4
- 5 x )( 2x 7 )( x 3 ) = 0
- 2x 3 3x 7 0
- 3 2x 3 )- 7 x 2 )= 0
- 7 2x 3 * 7 x 28 0
- 7 2x 4 7 x )+ 3 0
- 2 sin 2x 7 sin x 3 0
- X 2 7 )( 2x 3 4 )= 0
- X * log x 3 2x 7 0
- 2x 7 2 6 2x 7 )( x 3 )= 0
- 2 2x 1 7 * 2 x 3 0
- 2x 3 )( 3x 7 )= 0 by factorisation
- 2x 3 )( 3x 7 )= 0 by quadratic formula
- 2x 3 )( 3x 7 )= 0 zero product property
- Cos 2x 7 sin x 3 0