1. (2b-3)(56+7) +21= 2. 5x2+(3-5x)(x+11)=
3. 5a-(a+1)(4a+1) =
4. 8y2-(3y- 1)(5y-2) =
5. (c+4)(0-3)-(c2 + 5c) =
6. a(2a - 1) + (a + 3)(a-5) =
7. (x+4)x -(x - 3)(x+2) =
8. (p+3c)c-(3c+p)(c-p) =
9. XV(X+Y) - (x +y)(2x - y) =
10. (8a+3b)(3a - 8b) – (3a-8b)(82-3b)
11. (p2 – 3k) (p2-3k) - (p. – 3k) (p=+3k)=​

TaisiyaP    3   09.12.2020 03:11    1