Question

solve using quadratic formula:
2x^2-x-4=2
Please help!

Answer 1

first subtract \(2\) from both sides so you can start with
\[2x^2-x-6=0\]then use
\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\] with \(a=2,b=-1,c=-6\)

Answer 2

ohh..... Thank you.. I didn't know what to do with that "=2"

Answer 3

now I know how to do it.. thanks a lot.:D @satellite73

Answer 4

yw