Question

1. 3√5(2+√5)
2.2(√5+√7)
3.√7(√3+6√7)
4.(√7-1) (2√7+6)
5.(2+√3) (3√3-6)​

Answer 1

Answer:

1.= 6√5+15

2.= 2√5+2√7

3.= √7√3+6√7+7

4.= 14+6√7-2√7-6

14-6+6√7-2√7

8+4√7

5.= 6√3-12+9-6√3

6√3-6√3=0

-12+9=-3

Answer 2

Find 9 more than 1

888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888889888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888898888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888988888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888889888888888888888888888888888888888888888888888888888888888888889888888888888888888888888888888888888888888888888888888888888988888888888888888888888888888888888888988888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888