Question

ai giúp e làm với ạ

Answer 1

1: =(x+4)^2

2: \(=\left(2x-3\right)\cdot\left(2x+3\right)\)

3: \(=\left(5-x\right)\left(25+5x+x^2\right)\)

4: \(=\left(6-x\right)^2\)

5: \(=\left(x+4\right)^3\)

6: \(=\left(2-x\right)^3\)

7: \(=8\left(x+2\right)\left(x^2-2x+4\right)\)