## anonymous one year ago it IS EITHER C OR D PLEASE HELP Solve 2x2 − 8x = −7. negative 2 plus or minus square root of 2 negative 2 plus or minus 2 square root of 2 quantity of 2 plus or minus square root of 2 all over 2 2 plus or minus square root of 2 end root over 2

1. anonymous

HERE

2. xapproachesinfinity

complete the square, or use the quadratic formula!!

3. xapproachesinfinity

i would save time and do quadratic lolz

4. welshfella

try and solve it yourself - it will benefit you more than just knowing the answer

5. anonymous

It's D...am I right?

6. xapproachesinfinity

here is the quadratic if you don;t rem $$\Large x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}~~~ for~a~general~equation~of ~the~form~ \\ax^2+bx+c=0$$

7. xapproachesinfinity

rewrite your equation like this $$2x^2-8x+7=0$$ now you have everything under your nose just work :)