Thread: Quadratic and other polynomials

Use the quadratic to solve for x:
x-1 = 2x+1
2-x

Please show all working out, thanks.

Which part are you having trouble with?

First you need to rearrange the equation into the form

so you have:









So now you can see that , and

Once you plug these values into to quadratic formula and simplify it, you will have the solutions. Are you ok with this part?

Thank You so much, i understand it from here.