Răspuns :
4x + 3 *(2- x )=
4x+6-3x=
=x+6
2. 48x³-2*1-3x= 48x³-2-3x=3x( 16x²-3)-2
3. 4b² - 9a²= 54 =
(2b-3a)(2b+3a)=54
iar 2b + 3a = 27
(2b-3a)*27=54
2b-3a=2
4x+6-3x=
=x+6
2. 48x³-2*1-3x= 48x³-2-3x=3x( 16x²-3)-2
3. 4b² - 9a²= 54 =
(2b-3a)(2b+3a)=54
iar 2b + 3a = 27
(2b-3a)*27=54
2b-3a=2