answersLogoWhite

0

How do you factor 5x2 plus 7x plus 21?

User Avatar

Anonymous

∙ 12y ago
Updated: 8/18/2019

That doesn't factor neatly. Applying the quadratic equation, we find two imaginary solutions: (-7 plus or minus the square root of -371) divided by 10

x = -0.7 + 1.9261360284258224i
x = -0.7 - 1.9261360284258224i

where i is the square root of negative one.

User Avatar

Wiki User

∙ 12y ago
Copy

What else can I help you with?

Related Questions

What is the factor of 5x2 plus 7x?

x(5x + 7)


How do you factor the trinomial 5x2 plus 7x plus 2 with each factor as a polynomial in descending order?

(5x + 2)(x + 1)


When dividing the polynomial x3 plus 5x2 plus 7x plus 3 by x plus 3 the remainder is 0 making x plus 3 a factor?

True.


What is the trinomial 5x squared plus 7x plus 2?

5x2+ 7x + 2 = (x + 1)(5x + 2).


5x squared plus 7x equals 12?

5x2+7x = 12 5x2+7x-12 = 0 (5x+12)(x-1) = 0 x = -12/5 or x = 1


What kind of polynomial is shown 0.2x4 - 5x2 - 7x?

I am assuming this is: .2x4 - 5x2 - 7x, which would be a Quartic Polynomial.


How do you factor 49x2 plus 42xb plus 9b2?

(3b + 7x)(3b + 7x) or (3b + 7x)2


How do you factor 7X plus 7?

7x + 7 = 7(x + 1)


Factor x2 plus 7x plus 10?

1


How would you factor 2x squared plus 7x plus 6?

You would factor 2x2 + 7x + 6 into (2x + 3) (x+2)


Do Simplify 5x2 3x - 7 x2 - 7x 4?

7x 2= 14


How do you factor x2 plus 7x plus 6?

x2 + 7x + 6 = (x + 6) (x + 1)

Trending Questions
What type of show was the Australian series Rove? Converting a jeep liberty diesel to run on vegetable oil and diesel thoughts and results? What colour square does the king in chess start on? What are the main differences between a Crane and a heron? Why are some items exempt from vat? How do you spell twelve in the afternoon in french? How much torque and horse power does a small engine have? Dudley Pocket Watch 3? Is Penn state college really a state college? How many cisterns were in Constantinople? What is the phone number of the Farber Branch in Farber? How do you clip a show steer? What were Confederate nicknames in the American Civil War? What is metabolic reaction that break down molecules? Are you allowed to bring chocolate to Italy? What is the name for words that are pronounced as they are written? What determines a female dogs physical characteristics? What is a bureaucrat icy? Why do some men brush up against women? why is it important to compare date about countries?

Resources

Leaderboard All Tags Unanswered

Top Categories

Algebra Chemistry Biology World History English Language Arts Psychology Computer Science Economics

Product

Community Guidelines Honor Code Flashcard Maker Study Guides Math Solver FAQ

Company

About Us Contact Us Terms of Service Privacy Policy Disclaimer Cookie Policy IP Issues
Answers Logo
Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.