Question

question 39 points 1

solve: \\(x^2 - 4 = 0\\).

• 2 and 2
• -2 and 2

Explanation:

Isolate the quadratic term

$$ x^2 = 4 $$

Apply the square root property

$$ x = \pm\sqrt{4} $$

Simplify the roots

$$ x = 2 \quad \text{or} \quad x = -2 $$

Answer:

• 2 and 2
• -2 and 2 (Correct answer)