Question

1. x³y⁴ ( x² - y²) =

2. ( x + y )² =
3. ( x - y )² =
4. ( 2x² + 3y )² =

Answer 1

1.

2.

3.

4.


Semoga Membantu ^_^

Answer 2

2. (x+y)²=[x+y]+[x+y]
x(x+y)y(x +y)
x²+xy+xy+y²
x²+2xy+y²