Question

Quadratic question

Answer 1

What is to be done?

Answer 2

\[\huge 8n^2 + 4n - 16 = -n^2\]

Answer 3

\[9n^2 + 4n - 16 = 0 \]

Answer 4

\[\frac{ -4 \pm \sqrt{16 -4(-114)} }{ 2(9) }\]

Am i making any mistake so far?

Answer 5

no

Answer 6

not quite

9*(-16) is not 114, it's -144

Answer 7

oh okay thanks i had a feeling i was doing something wrong

Answer 8

other than that you're good ~

Answer 9

thanks :)