anonymous one year ago Could someone help me with this question?

1. anonymous

What question?

2. anonymous

what is the solution the the equation $2x ^{2} + 4 = 20$ Choose all answers that are correct.

3. anonymous

A. $-2\sqrt{2}\ B. \[-2\sqrt{8}$ C. $2\sqrt{2}$ D. $2\sqrt{8}$

4. anonymous

I keep getting A. But if you really wanna try this by yourself use mathway. It helps me alot.

5. anonymous

ok thankyou :)

6. anonymous

@mathstudent55