OpenStudy (anonymous):

Can someone explain to me how to solve this

3 years ago
OpenStudy (anonymous):
3 years ago

OpenStudy (anonymous):

@Mimi_x3

3 years ago
OpenStudy (mimi_x3):

4x^2-3=77 So we have to solve for x We must isolate x and our first step would be to add 3 from either side 4x^2=80 Next we divide by 4 x^2=20 Then lastly we square root it \[x=\pm \sqrt{20}\] So simplify whats in the square root Ad voila you will have your answer

3 years ago
OpenStudy (anonymous):

So it is A and B?

3 years ago
OpenStudy (anonymous):

I mean B AND C

3 years ago
OpenStudy (mimi_x3):

yes

3 years ago
OpenStudy (anonymous):

Thaks you

3 years ago