Question

Can someone help me with these two questions?
4.8x^2=8 x=
2.56x^2=20 x=

Answer 1

4.8 x^2 = 8
divide both sides by 4.8:-
x^2 = 8 / 4.8 = 5/3

s = +/- sqrt (5/3)

Answer 2

x = sqrt 5/3 , - sqrt 5/3

Answer 3

you can do the second one by the same method