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

Use the diagram below to answer the following questions for 1 point each- explain the role of DNA in protein synthesis

47 I a) Find the values of Angles 1, 2, 3, and 4. Show your steps or explain your reasoning for each.

i need help for my religion class 1. What is your favorite part of the story of the birth of Jesus? 2. What is the Annunciation? 3. What was Joseph going to do

Please answer fast A mass extinction is ______. Select one: a. the extinction of many species in a short time period b. the introduction of exotic species c. a

Can you please help me ?

A car traveled 150 miles on 5 gallons of gas. Find the unit rate.

English identify the italicized pronoun in each of the following sentences as indefinite or demonstrative1.Are you asking anyone to dance this weekend?

The area of a rectangular community the garden is 300 square feet. The length of a rectang! three times its width. Find the length and width of the garden.

Imagine that you are in the market for a digital camera. Would it be better for you to purchase a high-quality digital camera or a mobile camera? Explain your a

which is many many years of vot in nepal.