answersLogoWhite

0

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

User Avatar

Anonymous

∙ 13y 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

∙ 13y 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?

x^(2) + 7x + 10 (x + 5)(x + 2)


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 is 6 to the power of 3? What is the name of a british tv spy show in which characters had secret powers? Is the number Protons the same as electrons? What year did Tom Brady last win super bowl? A term that has no variable? What is the historical context in The Man I killed by tim O'Brien? Can positive and negative make a negative? When was Andy Quin born? What are the instructions to fix the power window that will not stay up or closed on a Dodge Durango? What are some foods that begging with letter x? Mom caught son in bed with a guy? What is close button in Microsoft Excel? When was University of La Verne created? You park the Mazda Rx-8 2004 and after dat it wont start? How will you suggest to the president that your recommendation be put into effect? How can one effectively use a manometer to measure pressure? What kind of circuit will not allow electricity to flow because there is a disconnection or the switch is off? What transport did they have in Britain in the 1930s? Is National Institute of Management is a recognised Institute? List four thinks that all organisms need to stay alive?

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.