Question

what is the solutions to X2 equals 8​

Answer 1

Answer:

x  = ±2sqrt(2)

Step-by-step explanation:

x^2 = 8

Take the square root of each side

sqrt(x^2) = ±sqrt(8)

x = ±sqrt(4*2)

We know that sqrt(ab) = sqrt(a)sqrt(b)

x = ±sqrt(4)sqrt(2)

x  = ±2sqrt(2)