Question

how to do: 1/2x-5+2x+3=10

Answer 1

4.8

Answer 2

1/2x-5+2x+3=10
=>[1-5(2x)+2x(2x)+3(2x)]/2x=10
=>(1-10x+4x^2+6x)/2x=10
=>4x^2-4x+1=20x
=>4x^2-24x+1=0

a=4
b=-24
c=1

So,
\[[24\pm \sqrt{(-24)^{2}-4(4)1}]/2(4)\]

As we can see the Discriminant is 23.66. So x is either 5.9575 or 0.0425