Question

2x^2 + 39 = 57 solve the equation using square roots.

Answer 1

Change the equation so you get \[x^2 = number\] and then take the square root of both sides

Answer 2

@tomo

Answer 3

2x^2 + 39 = 57

2x^2 = 57-39

2x^2 = 18

x^2 = 18/2

x^2 = 9

x = sqrt(9)

// remember there is a positive and negative value for the square root.

post what you get for x.