Question

5. Solve for x: 2x2 - 4x - 14 = 0 (1 point)

Answer 1

x^2-2x-7=0
Now complete the square, because nobody loves you. Nobody loves you because you won't do your hoemwork.

Answer 2

kumar, please stop blindly giving answers. :/

Answer 3

hint. use....
\[\LARGE x_{1/2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

you have the quadratic equation...

Answer 4

\[2x^2 - 4x - 14 = 0\]
\[x^2-2x-7=0\]
\[x^2-2x=7\]
\[(x-1)^2=7+1=8\]
\[x-1=\pm\sqrt{8}=\pm2\sqrt{2}\]
\[x=1\pm\sqrt{2}\]

Answer 5

@satellite73 check out your two last rows , it seems something got vanish !