Solve for x x^2-64=0

Problem

x2−64=0

Solution

1. Identify the equation as a quadratic equation that can be solved by isolating the squared term or by factoring.

2. Add 64 to both sides of the equation to isolate the x2 term.

x2=64

3. Take the square root of both sides, remembering to include both the positive and negative roots.

x=±√(,64)

4. Simplify the square root of 64.

x=±8

Final Answer

x=±8

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