Question

\\((x - 10)(x - 10)\\)

Explanation:

Apply the FOIL method

$$ (x - 10)(x - 10) = x \cdot x + x \cdot (-10) + (-10) \cdot x + (-10) \cdot (-10) $$

Simplify individual terms

$$ x^2 - 10x - 10x + 100 $$

Combine like terms

$$ x^2 - 20x + 100 $$

Answer:

\(x^2 - 20x + 100\)