In the figure, for what value of x will seg DE be parallel to BC ...?
Attachments:
Answers
Answered by
3
Answer:
(x+10)/(4x+10)=(x+6)/(x+10)
=>(x+10)×(x+10)=(x+6)×(4x+10)
=>x^2+20x+100=4x^2+34x+60
=>3x^2+14x-40=0
=>3x^2-6x+20x-40=0
=>3x(x-2)+20(x-2)=0
=>(x-2)(3x+20)=0
=>x=2,-20/3
Similar questions