Question

Simplify all radicals as far as you can.
9x2 – 16 = 0

Answer 1

x = ±4/3

Explanation:

9x^2 – 16 = 0

Add 16 to each side

9x^2=16

Divide by 9

x^2 = 16/9

Take the square root of each side

sqrt(x^2) =±sqrt(16/9)

x = ±4/3