1. 4a x (a-1)
x (3+y)-y(2+x)
2. 7xy x 2x^2
- 1/2 a^2b x 4ab^2
3. (25x^2y^3-5xy^2)=
4. b (3-b+4 (b+b^2), b = 2
Срочно, подробно.
x (3+y)-y(2+x)
2. 7xy x 2x^2
- 1/2 a^2b x 4ab^2
3. (25x^2y^3-5xy^2)=
4. b (3-b+4 (b+b^2), b = 2
Срочно, подробно.
Answers & Comments
x(3+y)-y(2+x)=3x-2y