Question

(x^4 + 8x^2 + 16 ) : (x^2+4)

Answer 1

https://hoc24.vn/cau-hoi/x4-8x2-16-x24.1972116244142

Mình làm đây rồi bạn.

Answer 2

\(\dfrac{\left(x^4+8x^2+16\right)}{x^2+4}\)

\(=\dfrac{[\left(x^2\right)^2+2.x^2.4+4^2]}{x^2+4}\)

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

\(=x^2+4\)

Answer 3

\(\dfrac{x^4+8x^2+16}{x^2+4}=x^2+4\)