Question

1) 3m n^4 * (-2m^5 n^2) = ?

2) (-3a^3)^2 = ?

3) 4y (y^2+5y-3) = ?

4) (a+3)(a-8) = ?

5) (a-6)(a+6) = ?

6) (5a+1)(5a-1) = ?

7) (x-3)^2 = ?

8) (3x +1)^2 = ?

9) (a+4)(a-4)-a(a-8) = ?

10) (7x - 1)2 – (7x-1)(7x + 1) =​

Answer 1

Ответ:

Объяснение :1) 3m n^4 * (-2m^5 n^2) = -6mn^4^m5n^4=-6m^6n^6