13.3. 1) (x - 7)(x + 8) ; 3) (a + 6)(4 - a) ; 5) (10-c)(9-c); 2) (9-y)(y+5); 4) (2-b)b+3) 6) (d+ 3) (d+11).

tsartsar 1 24.10.2021 13:44 5

Question

Алгебра: 13.3. 1) (x - 7)(x + 8) ; 3) (a + 6)(4 - a) ; 5) (10-c)(9-c); 2) (9-y)(y+5); 4) (2-b)b+3) 6) (d+ 3) (d+11).

tsartsar · Answer

Объяснение:дрежи...

13.3. 1) (x - 7)(x + 8) ; 3) (a + 6)(4 - a) ; 5) (10-c)(9-c); 2) (9-y)(y+5); 4) (2-b)b+3) 6) (d+ 3) (d+11).