Question

2x^2+2x-2=0 using quadratic formula

Answer 1

\(\normalsize\color{ slate }{{\bbox[5pt, lightcyan ,border:2px solid black ]{ \LARGE{x=~} \huge{ \frac{-\color{magenta}{b} \pm\sqrt{ \color{magenta}{~b} ^2-4 \color{blue}{a} \color{red}{c}~}}{2 \color{blue}{a}} }~ }}}\)

when the equation is \(\large\color{black}{ \color{blue}{a} x^2+ \color{magenta}{b}x+ \color{red}{c}=0 }\).

Answer 2

Start by listing your abc values :-)

Answer 3

a=2, b=2, c=-2

Answer 4

now plug it in to the quadratic formula (-: