1 ) 14x + 36
2 ) 8y + 6
3 ) 4a + 30
Пошаговое объяснение:
1 )
14x + 6 ( 2 + 4 )
= 14x + 6 ( 6 )
= 14x + 6 * 6
= 14x + 36
2 )
5y + 3 ( 2 + y )
= 5y + 6 + 3y
= 5y + 3y + 6
= 8y + 6
3 )
4 ( a + 5 ) + 10
= 4a + 20 + 10
= 4a + 30
