Question

x³ + 15x² +75x + 125

Answer 1

(x+5)^3

Answer 2

(x+5)³

Answer 3

\(x^3+15x^2+75x+125\)

\(=x^3+3.x^2.5+3.x.25+125\)

\(=\left(x+5\right)^3\)

Answer 4

      \(x^3+15x^2+75x+125\)
\(=x^3+3.x^2.5+3.x.5^2+5^3\)
\(=\left(x+5\right)^3\)

Answer 5

\(x^3+15x^2+75x+125\)

\(=x^3+3.x^2.5+3.x.5^2+5^3\)

\(=\left(x+5\right)^3\)

Chúc bạn học tốt nha!^^