Solve for: x^2-16

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Expression: ${x}^{2}-16$

Write the number in the exponential form with an exponent of $2$

${x}^{2}-{4}^{2}$

Use ${a}^{2}-{b}^{2}=\left( a-b \right)\left( a+b \right)$ to factor the expression

$\left( x-4 \right) \times \left( x+4 \right)$

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