220k views
4 votes
Factor x^3 -7x^2 -5x+35 by grouping. what is the resulting expression

2 Answers

7 votes

Answer:

c

Explanation:

User Compuphys
by
3.2k points
6 votes

Answer:

(x-7) (x^2-5)

Explanation:

x^3 -7x^2 -5x+35

Make 2 groups

x^3 -7x^2 -5x+35

Factor x^2 from the first group and -5 from the second group

x^2 (x-7) -5(x-7)

Now factor (x-7) out

(x-7) (x^2-5)

User WUJ
by
3.4k points