Bobrayner From United Kingdom, joined Apr 2003, 2227 posts, RR: 6
Reply 1, posted (10 years 11 months 3 weeks 4 days 22 hours ago) and read 1003 times:

1.
x = 1.5 or 0.5

2.
This is just a straightforward quadratic too!
Imagine x²=y; then solve y²-13y+36=0. It boils down to y=4 and y=9.
So, x=2 or x=3.

Fritzi From United Arab Emirates, joined Jun 2001, 2762 posts, RR: 2
Reply 3, posted (10 years 11 months 3 weeks 4 days 22 hours ago) and read 995 times:

Fritzi From United Arab Emirates, joined Jun 2001, 2762 posts, RR: 2
Reply 4, posted (10 years 11 months 3 weeks 4 days 20 hours ago) and read 976 times:

Sorry to pester guys you with one more question:

Solve:

(6/x)+3/(x+2) =2

The one who helps will get a beer the next time he/she comes to vienna.

Avi From Israel, joined Sep 2001, 943 posts, RR: 6
Reply 6, posted (10 years 11 months 3 weeks 4 days 20 hours ago) and read 965 times:

Solved by Bobrayner:
2.
This is just a straightforward quadratic too!
Imagine x²=y; then solve y²-13y+36=0. It boils down to y=4 and y=9.
So, x=2 or x=3.

If x²=y and y=4 or y=9 than x=2, x=-2, x=3 and x=-3!!!