Plz help fast

COPYING IS NOT AT ALL GOOD MY BOY ! TRY TO CHANGE THAT HABIT

y = 2x^2 - 4

Add both side 4

y + 4 = 2x^2 - 4 + 4

y + 4 = 2x^2

Divide both sides by 2

( y + 4 ) ÷ 2 = 2x^2 ÷ 2

y + 4 / 2 = x^2

x^2 = y + 4 / 2

x = + √(y+4/2) Or x = - √(y+4/2)

Thus the second option is the correct answer.

not solvable

step-by-step explanation:

we need more information, or at least an

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4