Question

7.4. 1) (x+2)^2;2) (3x-y)^23) (5a+b)^2;4)(а^2+b^2)^2​

Answer 1

Ответ:

Смотри решение на фото

Answer 2

Certainly! Here are the expanded forms of the given expressions:

1. (x+2)^2 = x^2 + 4x + 4

2. (3x - y)^2 = 9x^2 - 6xy + y^2

3. (5a + b)^2 = 25a^2 + 10ab + b^2

4. (a^2 + b^2)^2 = a^4 + 2a^2b^2 + b^4

If you have any further questions or need more explanations, feel free to ask!