Factor the greatest common factor.

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

Question

Mathematics

Kyson

26 November, 13:22

Factor the greatest common factor.

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

+5

Answers (2)

Know the Answer?

Gunnar Robertson · Answer 1

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

)

Precious Fitzgerald · Answer 2

The GCF is - 3k^4

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

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

Factor the greatest common factor.

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