30n^3 -21n^3 -18n

Question

^{Factoring Trinomials Equation}

Answer 1

30n^3 -21n^3 -18n

 

combine like terms

 

9n^3-18n

 

factor out 9n

 

9n(n^2-2)

 

9n(n+sqrt 2)(n-sqrt 2)

Answer 2

30n³ - 21n³ - 18n 

 

= 9n³ - 18n

 

= 9n(n² - 2)

 

= 9n(n + √2)(n - √2)