Factor the greatest common factor.

-30k^6 + 9k^5 - 21k^4

Question

Brenden Shelton

Mathematics

24 November, 06:27

Factor the greatest common factor.

-30k^6 + 9k^5 - 21k^4

+1

Answers (2)

Know the Answer?

Corinne Melendez · Answer 1

The GCF is - 3k^4

-30k^6+9k^5-21k^4 = - 3k^4 (10k^2-3k+7)

Case Todd · Answer 2

Since both terms are perfect squares, factor using the difference of squares formula,

a

2

-

b

2

=

(

a

+

b

)

(

a

-

b

)

where

a

=

k

2

and

b

=

1

.

9

(

-

36

k

6

+

k

5

-

k

-

2

)

Factor the greatest common factor.-30k^6 + 9k^5 - 21k^4

Factor the greatest common factor.

-30k^6 + 9k^5 - 21k^4