Question

Solve x2 – 64 = 0.

1. Isolate x2: x2 = 64
2. Apply the square root property of equality: Vx? = +/64
3. Isolate the variable:
0..

Answer 1

x= -8,8

Explanation:

equation = x^2-64=0

Solving x^2-64=0

⇒(x+8)(x-8)=0

⇒x= -8,8