Пошаговое объяснение:
1) ( c+2) * ( c-3) = c2 - 3c + 2c - 6 = c2 - c -6
2) (2a - 1) * (3a + 4)=6a2 + 8a - 3a -4 = 6a2 + 5a - 4
3) ( 5x - 2y) * ( 4x - y) =20x2 - 5xy - 8xy + 2y2 = 20x2 - 13xy + 2y2
4) ( a- 2) * (a2 - 3a + 6)=a3 - 3a2 + 6a - 4a2 + 6a - 12 = a3 - 7a2 + 12a -12
1)(c+2)*(c-3)=
C2*C3
C6
Пошаговое объяснение:
1) ( c+2) * ( c-3) = c2 - 3c + 2c - 6 = c2 - c -6
2) (2a - 1) * (3a + 4)=6a2 + 8a - 3a -4 = 6a2 + 5a - 4
3) ( 5x - 2y) * ( 4x - y) =20x2 - 5xy - 8xy + 2y2 = 20x2 - 13xy + 2y2
4) ( a- 2) * (a2 - 3a + 6)=a3 - 3a2 + 6a - 4a2 + 6a - 12 = a3 - 7a2 + 12a -12
1)(c+2)*(c-3)=
C2*C3
C6