Question

Can someone explain to me how to solve this

Answer 1

@Mimi_x3

Answer 2

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

Answer 3

So it is A and B?

Answer 4

I mean B AND C

Answer 5

yes

Answer 6

Thaks you