Factor the expression. x2 + 2x + 21

please solve by factoring
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

x^2 +2x +21=0

quadratik equashun giv zeroes=-1 +-4.472136i   (komplex variabels)

b^2-4ac=-80,  sqroot(80)=8.94427191
by

Related questions

1 answer
factor 2x^2 +11x-21
asked Jan 14, 2013 in Algebra 2 Answers by anonymous | 742 views
1 answer
factor 2x^2 +11x-21
asked Jan 14, 2013 in Algebra 2 Answers by anonymous | 842 views
1 answer
Factor 2x^3-11x^2+5x
asked Jan 8, 2013 in Algebra 2 Answers by anonymous | 1.2k views
2 answers
is 0.21 rational or irrational
asked Aug 22, 2013 in Algebra 2 Answers by Jacqueline Evans | 2.7k views
1 answer
(3w-21)/(w^2-49)*(w^2+7w)/(3w)=
asked Feb 10, 2013 in Algebra 2 Answers by anonymous | 760 views
1 answer
find the zeros in f(x)=x^2+4x-21
asked Jan 18, 2013 in Algebra 2 Answers by anonymous | 1.4k views
1 answer
factor out 3y^2-17y-28
asked Sep 5, 2013 in Algebra 2 Answers by anonymous | 596 views
1 answer
How do i factor 3*x^2*y^2 - 75
asked May 10, 2013 in Algebra 2 Answers by anonymous | 450 views
1 answer
factor 3x^2+21x
asked Nov 9, 2012 in Algebra 2 Answers by anonymous | 833 views
1 answer
Factor 6xy^2(3y-x)-3x^2(x-3y)^2
asked May 2, 2012 in Algebra 2 Answers by anonymous | 888 views
1 answer
factor x^5-10x^3+24x
asked Mar 29, 2012 in Algebra 2 Answers by anonymous | 946 views
1 answer
expression and equation
asked Nov 5, 2015 in Algebra 2 Answers by anonymous | 609 views
1 answer
Simplify this expression 4x-12/x^2-9
asked Apr 18, 2013 in Algebra 2 Answers by anonymous | 944 views
1 answer
Factor the expression. x2 + 2x + 56
asked Aug 14, 2014 in Algebra 1 Answers by capoislamort Level 1 User (580 points) | 721 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. complete the following. 825 use each digit once .make the two smallest 3 digit numbers and two largest 3-digit number (2)
  4. Solve 15 -1(12÷4+1)? (4)
  5. 8:4(5+2) (3)

Most popular tags

87,544 questions
99,732 answers
2,417 comments
484,695 users