Question

Solve and simplify using the square root property x2-8=11

Answer 1

x = ±sqrt(19)

Explanation:

x^2-8=11

Add 8 to each side

x^2-8+8=11+8

x^2 = 19

Take the square root of each side

sqrt (x^2) = ±sqrt(19)

x = ±sqrt(19)