Question

Please help:Solve. (2x^2) - 8x -14 = 0

1) x= 4± 3 √2
2) x= 4± √3

Answer 1

\[x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}\]

Answer 2

I tried doing that, i got down to 4±√44 / 2

Answer 3

\[x = \frac{ 8 \pm \sqrt{64 + 14 \times 4}}{4}\]

Answer 4

try it now

Answer 5

8±√78 ?

Answer 6

is it 1 or 2 can you please help ):

Answer 7

8±√120/4