Solution Concept Math Example 1

Follow the full solution, then compare it with the other examples linked below.

Example 1

easy
Is x=3x = 3 a solution of x2โˆ’9=0x^2 - 9 = 0?

Solution

  1. 1
    Substitute x=3x = 3: (3)2โˆ’9=9โˆ’9=0(3)^2 - 9 = 9 - 9 = 0.
  2. 2
    Since the result is 0, x=3x = 3 satisfies the equation.
  3. 3
    Therefore x=3x = 3 is a solution.

Answer

Yes, x=3x = 3 is a solution.
A solution is a value that, when substituted into the equation, makes the equation true. The verification process is called checking the solution.

About Solution Concept

A specific value (or set of values) that makes an equation or inequality true when substituted in for the variable.

Learn more about Solution Concept โ†’

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