Question

1. с^2-d^2
2. 49-x^2
3. x^2-y^2
4. a^2+2ax+x^2
5. y^2-2xy+x^2
6. 2x^2 y+4xy^2
7. x^2n-x^3n
8. y^(n+1) y^n

Answer 1

Ответ:

1) (c-d)(c+d)

2) (7-x)(7+x)

3) (x-y)(x+y)

4) (a+x)²

5) (y-x)²

6) 2xy(x+2y)

7)  nx²(1-x)

8) y²ⁿ+1