Question

1) (8+2x)^2=
2) (9-x)^2=
3) (3a-6b)^2=
4) (x+1)^2
5) (2x-5)(5+2x)=
​

Answer 1

Ответ:

1) 2(4+х^2)

2) х^2 - 18х+81

3)9а^2 - 36аb+36b^2

4) x^2+2x+ 1

5) 4x^2 - 25