Question

Fctorize please fast and write

Answer 1

Answer:

15$x^{3}$ ( $x$ + 1 )

Step-by-step explanation:

5$x^{4}$ + 10$x^{4}$ + 15$x^{3}$

Simply the expression where there are like terms.

15$x^{4}$ + 15$x^{3}$

15 and $x^{3}$ are common terms. Take them out and place the remaining inside the bracket.

15$x^{3}$ ( $x$ + 1 )