## Algebra 2 Common Core

$\dfrac{4}{x^2}$
Factor the numerator and the denominator, then cancel the common factors: $\require{cancel} =\dfrac{4(5x)}{5x(x^2)} =\dfrac{4\cancel{(5x)}}{\cancel{5x}(x^2)} \\=\dfrac{4}{x^2}.$