Question

\(\dfrac{4x+16}{x^2-16}\) rút gọn ra bnhieu

Answer 1

\(\dfrac{4x+16}{x^2-16}\)

\(=\dfrac{4\left(x+4\right)}{\left(x+4\right)\left(x-4\right)}=\dfrac{4}{x-4}\)

Answer 2

\(\dfrac{4x+16}{x^2-16}=\dfrac{4\left(x+4\right)}{\left(x-4\right)\left(x+4\right)}=\dfrac{4}{x-4}\)