Question

I need help!

I've been stuck on these for a couple days.


Each one is a different question.


Thanks

Answer 1

two segment drawn from one point outside the circle are equal

`\\ \rm\hookrightarrow 6/x=5/x+3`

`\\ \rm\hookrightarrow 6(x+3)=5x`

`\\ \rm\hookrightarrow 6x+6=5x`

`\\ \rm\hookrightarrow x=-6`

#2

`\\ \rm\hookrightarrow (4)/(2x)=(5)/(x)`

`\\ \rm\hookrightarrow 4x=10x`

No solution.