помогите решить 5,6 и 7

Ответ:5упражнение

1. a квадрат+ 2*a*4+4 в квадрате = (a + 4) в квадрате

2. (3x)^2 - 2*x3+^1^2 = (3x-)1^2

3. (11m)^2 - 2*11m*4 + (4n)^2 = (11m - 4n)^2

4. 36a^2 + 24ab + 4b^2 = (6a)^2 + 2*6a*2b + (2b)^2 = (6a + 2b)^2

5. (a^3)^2 - 2*^a3*2b + (2b) ^2 = (a^3 - 2b)^2

6. 25p^10+10p^4q^4 + q^8 = (5p^5)^2 + 2*5p^5*q^4+(q^4)^2 = (5p^5 + q^4)^2

6 задание

1. (x^2 - 2^2) =(x-2)x(+2)

2. 5^2 - (3a) ^2 =(5-3a)(5+3a)

3. (6m)^2 - (10n)^2 =(6m-10n)(6m+10n)

4. (0.2p)^2 - (1.3q)^2 =(0.2p-1.3q)(0.2p+1.3q)

5. (xy) ^2 - (2/3)^2 =(xy-2/3)x(y+2/3)

6. (a^2) ^2 - (b^3)^2 =(a^2 - b^3)a(a^2 +b^3)

7. (0.1c) ^2 - (d^4)^2 = (0.1 c - d ^4)(0.1c+d ^4)

8. 49a^4b^8-1=(7a^2 ^b4) ^2 - 1^2 = (7a^2 b^4 - 1)(7a^2 b^4+1)

7ззадание

1. (c+2)(c^2 - 2c+4)

2. (3a-b)(9a^2 +3ab+b^2)

3. (5+ab)(25-5ab +a^2 b^2)

4. (x^2 - y^3)(x^4+x^2 y^3+y^



Объяснение: