Question

Solve for possible values of x:
-4x^2+2x+7=-5

Answer 1

how did you do it?

Answer 2

Add -5 to 7.
\[-4x ^{2}+2x+12=0\]
You now have a Quadratic equation, use the quadratic formula to get the values of X which are \[x=-\frac{ 3 }{ 2 } and x=2\]
Check for an extraneous solution( plug in both X's to see which equals 0) -3/2 IS extraneous.
The anwser is \[x=\]

Answer 3

\[x=2\]

Answer 4

Thanks guys!