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?

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
Which countries belongs to Middle East? What times 50 equals 800? How much is one Euro worth in US currency? Scripting engine to attack and infect a host file? How important is it to properly secure a child with a seat belt over a car seat for their safety while traveling in a vehicle? Why is Arnav Singh Raizada so hot? Is Tilda Swinton a man? How it work PS3 slim? How can I make stairs less slippery? What is 81.64 rounded to the nearest tenths? Who is Omarion? What is the least common multiple of 14 and 13 and 18? What is 'Sei la cosa migliore che è successa nella mia vita Ti amo e tu lo sai amore mio' when translated from Italian to English? What is error code P601? Auto 4x4 what for? What is the net force acting on a pencil? What was 'the company' known as in the Alien franchise? What are some of the names of Rugby teams in Ireland? Is twin towers capitalized? Where is the 1993 Toyota tercel fuse box location?

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.