Question

9x^2=4x+2

Answer 1

solve using quadratic formula

Answer 2

First, reorganize terms,
\[9x^2-4x-2=0\]Now apply the quadratic formula,
\[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\] valid for,
\[ax^2+bx+c=0\]So,
\[a=9\\
b=-4\\
c=-2\]Substitute in the quadratic formula and you'll find the solution.