03-05-2017
Mathematics

contestada

K2-4K-21. How do you factor this

Respuesta :

apologiabiology apologiabiology

03-05-2017

assuming yo mean
k²-4k-21

factor by doing
what 2 numbers multipily to get -21 and add to get -4?
-7 and 3

(k-7)(k+3) is factored

Answer Link

Otras preguntas

what is the central idea of paragraph 5 throughout 8 of "Top spot" use two details from the article to support your response.

Select the correct answer Choose the CONJUNCTION. I like brownies, but I like chocolate ice cream best of all! OA. but OB. of O C. all

Helppp pls :))))))))

Why did the construction of the Heydar Aliyev Center’s auditorium require extremely precise math?

guys give me some tips on how to fix my grade please

what fraction of 60 is the number 90? what fraction of 60 is the number 20? what fraction of 60 is the number 24? what fraction of 60 is the number 30?

How is faster motion displayed in terms of slope

Which three of the following mixed numbers will produce a whole number when added? 2 1/2 , 4 1/8 , 3 1/4, 2 3/4, 4 3/8

Find the distance between (-1,-5) and (-1,-16). A. -11 B. 21 C.-21 D. 11

Which one is not a noun? health recipe exercising nutritionist